When Lady Gaga appeared on the O2 Arena stage atop a giant blood red dress, my jaw hit the floor, and I’m not sure I ever picked it up again. I knew she was going to bring something theatrical to the ...

Lady Gaga's Mayhem Ball kicks off 29 September in London. Here's what to wear to the concert according to two Little Monsters (think: gothic and old Gaga looks).

From "Bad Romance" to "Telephone" starring Beyonce and "Abracadabra," a look back at Lady Gaga's most iconic music videos.