Britney Spears and Jason Trawick smoked up the red carpet as the hottest couple of the night at the City of Hope Gala to honor Halston CEO Ben Malka with the Spirit of Life award.

OK! GALLERY: IT'S BRITNEY, B***H! OK!'S ULTIMATE BRITNEY SPEARS GALLERY

The X Factor judge and her fiance looked happier and more in love than ever at an event that brought out other stars like Jessica Sanchez, Jordin Sparks and more. And the highlight of the night: A performance for the talented Miley Cyrus, who was looking amazing, despite rocking an arm bandage earlier in the day.

OK! GALLERY: MILEY CYRUS AND LIAM HEMSWORTH ARE ENGAGED! CHECK OUT THEIR LOVE STORY FROM THE BEGINNING!

Which look from last night was the hottest?