The lavish annual 2015 Met Gala saw stars embracing the China: Through the Looking Glass theme with relish as they graced the red carpet.
Glittering guests at the fundraising gala included a green-haired Miley Cyrus, a smartly-attired Justin Bieber, and a flesh-baring Jennifer Lopez.
Rihanna took over the red carpet at the New York Metropolitan Museum of Art in a flowing, fur-lined Dior number, while Katy Perry offered an urban edge in a graffiti-print Moschino gown.
Numerous celebrity couples - including Robert Pattinson and FKA twigs, Eddie Redmayne and Hannah Bagshawe and Beyoncé and Jay Z - complimented each others' style with their outfits this year, too - so here's 15 of our favourite looks from the Met Ball red carpet:
1. Robert Pattinson and FKA twigs
Robert Pattinson looked dapper in a three-piece black tuxedo, while FKA twigs stood out in a colourful lace Christopher Kane gown. Is that a drawing of what we think it is in the right hand corner of Twigs's dress?
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2. Ellie Goulding and Dougie Poynter
Ellie Goulding was attending the annual Met Ball for the very first time, and dazzled in a silver fringed dress by Marchesa. The singer was accompanied by her boyfriend - fellow Met Ball first-timer Dougie Poynter, who opted for a black brocade blazer, open white shirt and silver pendant.
3. Beyoncé and Jay Z
Beyoncé wore a revealing, sheer Givenchy beaded gown, and husband Jay Z sported a simple black tuxedo with a single white carnation.
4. George Clooney and Amal Alamuddin Clooney
George Clooney looked smart in a formal Giorgio Armani Made to Measure black tuxedo, and was joined on the red carpet by his wife Amal. The British-Lebanese human rights lawyer made a bold impact in a red silk organza gown designed by John Galliano for Maison Margiela.
5. Amanda Seyfried and Justin Long
Amanda Seyfried made a rare public appearance with actor boyfriend Justin Long. The Lovelace star looked elegant in a white embellished, halter-neck Givenchy gown, while Long donned a crisp black tux.
6. Eddie Redmayne and Hannah Bagshawe
Newlyweds Eddie Redmayne and Hannah Bagshawe were a monochrome team Valentino as they posed on the red carpet.
7. Claire Danes and Hugh Dancy
Homeland star Claire Danes looked vampish in berry-coloured lipstick and a green and black leather Valentino dress, while husband Hannibal star Hugh Dancy donned a black tux with matching black bow tie.
8. Sofia Vergara and Joe Manganiello
Modern Family's Sofia Vergara smouldered in a strapless Marchesa gown, and fiancé Joe Manganiello looked typically immaculate in a black tuxedo.
9. Olivia Wilde and Jason Sudeikis
Olivia Wilde stood out in a purple jewel-embellished Prada gown with matching grey gloves and handbag. Her fiancé Jason Sudeikis wore a white and black Prada tuxedo.
10. Kim Kardashian and Kanye West
Reality TV star Kim Kardashian West left little to the imagination in a sheer and white embellished Roberto Cavlli gown by Peter Dundas, while husband Kanye West opted for a Cavalli velvet suit with matching scarf.
11. Neil Patrick Harris and David Burtka
Gone Girl's Neil Patrick Harris and his husband David Burtka looked dashing in matching Ermenegildo Zegna tuxedos.
12. Rose Byrne and Bobby Cannavale
Damages star Rose Byrne looked sleek in a leather Calvin Klein Collection dress, while her actor boyfriend Bobby Cannavale wore a monotone dark suit.
13. Uma Thurman and André Balazs
Uma Thurman was a vision in a white Atelier Versace gown, as she reunited with her former property magnate partner André Balazs, who looked impeccable in a navy pinstripe suit.
14. Anne Hathaway and Adam Shulman
Anne Hathaway wore dramatic in a gold-hooded Ralph Lauren gown while husband Adam Shulman went for a white suit tuxedo.
15. Diane Kruger and Joshua Jackson
Inglorious Basterds star Diane Kruger looked chic in a two-piece Chanel embroidered ensemble, and her long-term partner Joshua Jackson looked debonair in an Alexander McQueen tux.
Naomi Gordon is news writer mainly covering entertainment news with a focus on celebrity interviews and television.
