Gaga, Sir Elton Cause Exploding Heads at Grammy Awards

Lady Gaga opened last night's Grammy Awards with a rousing melisma-fueled rendition of award-winning "Poker Face" (Best Dance Recording) and a duet of "Speechless" with pop legend Elton John. Gaga also took home the Grammy for Best Electronic/Dance Album for her debut album "The Fame.

Sidebar: Best Grammy Dress since J.Lo? I think so.