Leonardo DiCaprio is the favourite to take home the best actor Oscar on Sunday night.

And while the Oscar is not yet his, Armani celebrated the A-lister with a star studded party on Saturday.

Hollywood’s biggest stars celebrated at the bash which included Anne Hathaway who sipped on water, alongside Naomi Campbell and Cate Blanchett.

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Star-studded: Anne Hathaway, 33, attended a pre-Oscar party as Armani celebrated Leonardo DiCaprio in Beverly Hills on Saturday night

Guest of honour: Leonardo DiCaprio, 41, looked hunky as ever with his hair slicked to one side as he mingled with several partygoers

Hathaway stunned at the pre-Oscar party in a bold red gown, which included rosy shades of mahogany and crimson.

The 33-year-old actress hasn’t confirmed her due date but her maternal figure showed it’s clearly approaching quickly.

She accessorized the chic flowing number with a metallic box clutch and platform red satin stiletto heels.

See Leonardo DiCaprio updates as he parties with pregnant Anne Hathaway 

Red-dy to pop! The Oscar winner stunned in a chic flowing gown, which included rosy shades of mahogany and crimson

Details: The brunette beauty accessorized the chic flowing number with a metallic box clutch and platform red satin stiletto heels

Any day now: The Devil Wears Prada actress hasn’t confirmed her due date but her maternal figure showed it’s clearly approaching quickly

Her silky honey tresses fell in loose waves and hit just to her shoulders, and she wore a smokey matte eye and bright red lip to match her look.

Naomi Campbell, 45, looked exquisite as ever in a low-cut shimmering gold gown which revealed a bit of cleavage.

She wore her raven locks in curly tendrils and stunned with a smokey matte cat eye and glossy pink lip.

Blanchett, 46, opted for bold in blue as she donned a fitted two-piece suit which included a chic blazer with puffy sleeves and black lapels.

Flawless: Naomi Campbell, 45, looked exquisite as ever in a low-cut shimmering gold gown which revealed a bit of cleavage

Chic: Cate Blanchett, 46, opted for a fitted two-piece suit which included a chic blazer with puffy sleeves and black lapels

The Oscar winner’s signature blonde locks were parted to one side and tucked behind her ear to highlight her flawless features.

She added sex appeal to her conservative wardrobe with a crisp white shirt beneath her jacket that she left unbuttoned at the top for a feminine touch.

The guest of honour looked hunky as ever with his hair slicked to one side as he wore a bit of scruff in his black suit with pale blue button-down shirt.

DiCaprio, 41, mingled with several partygoers including his Revenant co-stars Duane E. Howard, Arthur RedCloud and Forrest Goodluck.