Surprise! Kate Hudson arrives at Memorial Day bash in cosy sweater before stripping down to racy white hot monokini once inside

Kate Hudson showcased her Pilates-toned figure in a white monokini while attending a Malibu Memorial Day BBQ on Monday.

The 36-year-old Oscar nominee - who relies on trainer Nicole Stuart - was her usual effervescent self as she enjoyed the boozy bash in a plunging one-piece.

The Fabletics co-owner wore her flaxen locks in beachy waves and shaded her eyes with blue-mirrored aviators.

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White hot! Kate Hudson showcased her Pilates-toned figure in a white monokini while attending a Malibu Memorial Day BBQ on Monday

Chatting with Hudson was fellow mother-of-two and jewelry designer Jennifer Meyer, rocking a pair of classic Ray-Bans.

She was also seen laughing with Jennifer's bearded husband - Golden Globe nominee Tobey Maguire - who produced Kate's last film Good People.

The A-list party - hosted by Daytime Emmy-nominated producer Joel Silver - also drew celebrities like Bella Thorne, Gwyneth Paltrow, Chris Martin, Diane Kruger, January Jones, and Courteney Cox.  

Inherited the famous Goldie grin: The 36-year-old Oscar nominee was her usual effervescent self as she enjoyed the boozy bash in a plunging one-piece
Inherited the famous Goldie grin: The 36-year-old Oscar nominee was her usual effervescent self as she enjoyed the boozy bash in a plunging one-piece

Inherited the famous Goldie grin: The 36-year-old Oscar nominee was her usual effervescent self as she enjoyed the boozy bash in a plunging one-piece

Back it up! The Clear History star relies on trainer Nicole Stuart to maintain her taut figure

Back it up! The Clear History star relies on trainer Nicole Stuart to maintain her taut figure

Cocktail hour: The Fabletics co-owner wore her flaxen locks in beachy waves and shaded her eyes with blue-mirrored aviators

Cocktail hour: The Fabletics co-owner wore her flaxen locks in beachy waves and shaded her eyes with blue-mirrored aviators

Boho gal pal: Chatting with Hudson was fellow mother-of-two and jewelry designer Jennifer Meyer (R), rocking a pair of classic Ray-Bans

Boho gal pal: Chatting with Hudson was fellow mother-of-two and jewelry designer Jennifer Meyer (R), rocking a pair of classic Ray-Bans

Previously collaborated: She was also seen laughing with Jennifer's bearded husband - Golden Globe nominee Tobey Maguire (L) - who produced Kate's last film Good People

Previously collaborated: She was also seen laughing with Jennifer's bearded husband - Golden Globe nominee Tobey Maguire (L) - who produced Kate's last film Good People

Man of the hour: The A-list party - hosted by Hollywood producerJoel Silver (R) - also drew celebrities like Bella Thorne (L), Gwyneth Paltrow, Chris Martin, Diane Kruger, January Jones, and Courteney Cox

Man of the hour: The A-list party - hosted by Hollywood producerJoel Silver (R) - also drew celebrities like Bella Thorne (L), Gwyneth Paltrow, Chris Martin, Diane Kruger, January Jones, and Courteney Cox

Warm cover-up: Outside the soirée, the Golden Globe winner covered her sexy swimsuit with a cosy white, off-the-shoulder knit jumper

Warm cover-up: Outside the soirée, the Golden Globe winner covered her sexy swimsuit with a cosy white, off-the-shoulder knit jumper

Outside the soirée, the Golden Globe winner covered her sexy swimsuit with a cosy white, off-the-shoulder knit jumper.

Hudson was also wearing $340 zigzag-patterned Isabel Marant jeans and pink kitten heels selected by stylist Sophie Lopez.

Curiously, the daughter of Goldie Hawn decided to clash her understated attire with a garish snakeskin bag.  

California girl: Hudson was also wearing $340 zigzag-patterned Isabel Marant jeans and pink kitten heels selected by stylist Sophie Lopez
California girl: Hudson was also wearing $340 zigzag-patterned Isabel Marant jeans and pink kitten heels selected by stylist Sophie Lopez

California girl: Hudson was also wearing $340 zigzag-patterned Isabel Marant jeans and pink kitten heels selected by stylist Sophie Lopez

Power clashing: Curiously, the daughter of Goldie Hawn decided to clash her understated attire with a garish snakeskin bag

Power clashing: Curiously, the daughter of Goldie Hawn decided to clash her understated attire with a garish snakeskin bag

Driving off in her Tesla: Kate brought along her three-year-old son Bingham (with ex-fiancé Matthew Bellamy), but the toddler was not photographed

Driving off in her Tesla: Kate brought along her three-year-old son Bingham (with ex-fiancé Matthew Bellamy), but the toddler was not photographed

Single and fabulous: The Wish I Was Here actress also has an 11-year-old son Ryder with her ex-husband, The Black Crows frontman Chris Robinson

Single and fabulous: The Wish I Was Here actress also has an 11-year-old son Ryder with her ex-husband, The Black Crows frontman Chris Robinson

Current film: Kate is currently on break from filming oil spill drama Deepwater Horizon in New Orleans alongside Mark Wahlberg (pictured), John Malkovich, and her stepfather Kurt Russell

Current film: Kate is currently on break from filming oil spill drama Deepwater Horizon in New Orleans alongside Mark Wahlberg (pictured), John Malkovich, and her stepfather Kurt Russell

Kate brought along her three-year-old son Bingham (with ex-fiancé Matthew Bellamy), but the toddler was not photographed.

The Wish I Was Here actress also has an 11-year-old son Ryder with her ex-husband, The Black Crows frontman Chris Robinson.

Hudson is currently on break from filming oil spill drama Deepwater Horizon in New Orleans alongside Mark Wahlberg, John Malkovich, and her stepfather Kurt Russell.

'Honestly, one of the great experiences of my life!' Hudson will next appear on the second season of Running Wild With Bear Grylls (R), which premieres July 13 on NBC

'Honestly, one of the great experiences of my life!' Hudson will next appear on the second season of Running Wild With Bear Grylls (R), which premieres July 13 on NBC

Hitting US theaters November 13! Kate's next film is Barry Levinson's comedy Rock the Kasbah with Bill Murray, Danny McBride, Zooey Deschanel, Bruce Willis, and Scott Caan

Hitting US theaters November 13! Kate's next film is Barry Levinson's comedy Rock the Kasbah with Bill Murray, Danny McBride, Zooey Deschanel, Bruce Willis, and Scott Caan

Early birds: Diane Kruger and January Jones were two of the first to arrive to Hollywood heavyweight Joel Silver's annual star-studded Memorial Day event in Malibu, California, on Monday
Early birds: Diane Kruger and January Jones were two of the first to arrive to Hollywood heavyweight Joel Silver's annual star-studded Memorial Day event in Malibu, California, on Monday

Early birds: Diane Kruger and January Jones were two of the first to arrive to Hollywood heavyweight Joel Silver's annual star-studded Memorial Day event in Malibu, California, on Monday

Prefect match: For the event, Diane wore a pair of cropped high waisted tailored pants with a matching cropped top

Prefect match: For the event, Diane wore a pair of cropped high waisted tailored pants with a matching cropped top

Beach bunny: Bella Thorne arrived at the event in a long beach dress that featured cut out sections on her sides and a voluminous skirt
Beach bunny: Bella Thorne arrived at the event in a long beach dress that featured cut out sections on her sides and a voluminous skirt

Beach bunny: Bella Thorne arrived at the event in a long beach dress that featured cut out sections on her sides and a voluminous skirt

The LA-born blonde will next appear on the second season of Running Wild With Bear Grylls, which premieres July 13 on NBC.

'Honestly, one of the great experiences of my life!' Kate wrote of the adventure show on Instagram.

The Clear History star's next film is Barry Levinson's comedy Rock the Kasbah - hitting US theaters November 13 - with Bill Murray, Danny McBride, Zooey Deschanel, Bruce Willis, and Scott Caan.

Covering up: Tobey Maguire  looked super casual in a dark sweatshirt, cargo shorts and grey Nike sneakers, while sporting a full beard

Covering up: Tobey Maguire looked super casual in a dark sweatshirt, cargo shorts and grey Nike sneakers, while sporting a full beard

Grew it out: The Amazing Spider-Man star kept cool behind a pair of sunglasses

Grew it out: The Amazing Spider-Man star kept cool behind a pair of sunglasses

Chess drama: Tobey can be seen later this year in the biopic Pawn Sacrifice about US chess champion Bobby Fischer

Chess drama: Tobey can be seen later this year in the biopic Pawn Sacrifice about US chess champion Bobby Fischer

Famiuly affair: The actor and his wife Jennifer Meyer have two children together

Famiuly affair: The actor and his wife Jennifer Meyer have two children together

Lending a hand: Director Len Wiseman gently lead his wife, British actress Kate Beckinsale from the party 

Lending a hand: Director Len Wiseman gently lead his wife, British actress Kate Beckinsale from the party 

Catching up with Friends: Courteney Cox kept it casual in jeans and a striped sweater

Catching up with Friends: Courteney Cox kept it casual in jeans and a striped sweater

Cool and breezy: The 45-year-old British actress Minnie Driver looked cute in a white dress with a black design on the skirt a chunky studded belt and black flip-flops

Cool and breezy: The 45-year-old British actress Minnie Driver looked cute in a white dress with a black design on the skirt a chunky studded belt and black flip-flops

Casual wear: Jon Favreau arrived at the party in jeans, polo shirt and sneakers

Casual wear: Jon Favreau arrived at the party in jeans, polo shirt and sneakers

Black and blue: Rosanna Arquette kept it simple in a black and blue ensemble

Black and blue: Rosanna Arquette kept it simple in a black and blue ensemble

Entertainment legend: Lou Adler arrived at the party wearing knickers and a Popeye T-shirt

Entertainment legend: Lou Adler arrived at the party wearing knickers and a Popeye T-shirt

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