Vanessa, 20, looks elegant in a gorgeous Marchesa gown. Zac, 21, suited up in a Dolce & Gabbana tuxedo and accessorized with a vintage Rolex watch and Bally shoes.
The on-and-off-screen couple will join host Hugh Jackman, Mamma Mia! stars (and real-life couple) Amanda Seyfreid and Dominic Cooper, Beyonce and Anne Hathaway during the ceremony tonight for a special performance.
35+ pics inside…
Zac Efron & Vanessa Hudgens Red Carpet with Ryan Seacrest, 02/22