The singer gets to the point – with her spiked jacket! – in Melbourne. Plus: Joe & Demi, Jennifer Garner, Taylor & Taylor, Ke$ha and more

DISNEY DUET

Joe Jonas and girlfriend Demi Lovato, dubbed "Jemi" by fans, hug it out after performing their duet "Make a Wave" Wednesday on American Idol in Los Angeles. Host Ryan Seacrest cracked afterwards: "Good chemistry on the stage between these two, wouldn't you say?"