Lutz shows off his flex appeal at the Tarzan premiere in Dublin. Plus: Courteney Cox, Jennifer Hudson & much more!

SING THING

Jennifer Hudson plays to the crowd Wednesday night at the Brown Shoe Company's 100th anniversary bash at New York's 4 World Trade Center. "Had a good lil time tonight performing," she posted to Instagram, along with a photo of pal Nelly, who stopped by the party.