This A-/B+ list mostly television actor is known for one particularly iconic role from a long running hit network comedy show.
He is also known for not being the most faithful guy to his wife but he was out of control with the hitting on this network reality star turned singer turned actress turned reality star.
She is like Sienna Miller except Sienna can actually act and do other things besides be a home wrecker.
Oh, and our actor was at the party with his wife.
Eric McCormack OR Kelsey Grammer
Reality star/singer/actress: Julianne Hough
2015 Elton John AIDS Foundation Viewing Party