It’s the biggest night on the Hollywood calendar.

And A-list guests at the 88th annual Academy Awards made sure to shine in glamorous outfits on the red carpet outside the Dolby Theatre on Sunday.

Many of the stars brought out their A game and stunned as they walked down the red carpet.

See some of the pictures below

Lovely in low-cut looks: (L-R) Jennifer Lawrence, Brie Larson and Cate Blanchett all took the plunge on the Academy Awards red carpet in Hollywood on Sunday
Jennifer Lawrence
Lovely in low-cut looks: (L-R) Jennifer Lawrence, Brie Larson and Cate Blanchett all took the plunge on the Academy Awards red carpet in Hollywood on Sunday
Brie Larson
Lovely in low-cut looks: (L-R) Jennifer Lawrence, Brie Larson and Cate Blanchett all took the plunge on the Academy Awards red carpet in Hollywood on Sunday
Cate Blanchett
Saucy in scarlet: Charlize Theron was all about the sex appeal in a very low-cut and slinky red gown by Christian Dior
Charlize Theron
A bit of all white: Best Original Song nominee Lady Gaga looked angelic in a white pantsuit with a train, by Brandon Maxwell
Lady Gaga
Showing some skin: Sofia Vergara put her ample cleavage on show in a midnight blue Marchesa gown with silver detailing
Sofia Vergara

Could it finally be his year?: Best Actor hopeful Leonardo DiCaprio posed with his Titanic co-star Kate Winslet, who is up for Best Supporting Actress and wore Ralph Lauren

Taking the plunge: Olivia Wilde left little to the imagination in a white pleated Valentino Haute Couture gown with low-cut neckline
Olivia Wilde

He likes what he sees: Jason was clearly a fan of his other half's Grecian inspired look for the evening

Simply beautiful: Jennifer Garner looked incredible as she showed off her slender figure in a black Versace gown
Jennifer Garner

 

Taking a bold risk: Heidi Klum turned heads in a very unusual lilac and white gown by Marchesa, with cut-out section on the chest
Heidi Klum
She's golden: Margot Robbie went for an extremely sexy look in a snakeskin style gold Tom Ford gown with low-cut neckline
Margot Robbie
Leggy lady: Best Supporting Actress nominee Rachel McAdams stole the Spotlight in a green August Getty gown with a slit up one side
Rachel McAdams

 

Purple reign: Reese Witherspoon (left, in Oscar de la Renta) and Tina Fey (in Versace) went for similar looks in strapless violet gowns
Reese Witherspoon

 

Purple reign: Reese Witherspoon (left, in Oscar de la Renta) and Tina Fey (in Versace) went for similar looks in strapless violet gowns
Tina Fey
Chrissy Teigen
So in love: The 30-year-old, who tied her hair in a braid and wore dark lipstick, got a kiss from husband John Legend 
Chrissy Teigen and Hubby John Legend

 

Daring: Kerry Washington took a risk in a black and white Atelier Versace gown with a leather top and slit skirt

Daring: Kerry Washington took a risk in a black and white Atelier Versace gown with a leather top and slit skirt
Kerry Washington
Beauty queen: Miss World turned Quantico star Priyanka Chopra looked fantastic in Zuhair Murad
Miss World turned Quantico star Priyanka Chopra
Happy couples: Host Kevin Hart was joined by fiancee Eniko Parrish (L), while Pharrell Williams went without socks as he posed with wife Helen Lasichanh
Kevin Hart was joined by fiancee Eniko Parrish
Happy couples: Host Kevin Hart was joined by fiancee Eniko Parrish (L), while Pharrell Williams went without socks as he posed with wife Helen Lasichanh
Pharrell Williams with wife Helen Lasichanh
Music marvels: The Weeknd (R) who was nominated for Best Original Song, and last year's winner Common chatted away on the red carpet
Common and Weeknd