The future royal debuted the perfect curtsy when she greeted Queen Elizabeth during Christmas ... one is more comfortable for you) and bowing your head slightly while bending your knees.

But there was a time before that when she was one of the X-Men's most powerful enemies as the White Queen of the Hellfire Club. Now, a new limited series puts Emma Frost in the spotlight ...

"You need to bow," Princess Charlotte appeared to tell Prince George as they waited for Queen Elizabeth's coffin to pass by Princess Charlotte is an expert in royal protocol. As the two oldest ...