He's not nominated for anything, but Olympian/"Dancing with the Stars" Evan Lsaycek will still look the part at Oscar after-parties this weekend.

Evan Lysacek
We've learned he'll be dressed by Ralph Lauren for the exclusive Vanity Fair and Elton John bashes -- and will be wearing a tuxedo from their Black Label line.

It's not his first time in RL -- the designer also outfitted him and the rest of the U.S. team for the Olympics.