COMPARED with epic misbehavers like Charlie Sheen and Lindsay Lohan, Christina Aguilera’s arrest for public drunkenness may seem like a minor public relations mishap.

But after a series of very public setbacks – from her last album’s flop to the disappointing box office for Burlesque, her divorce and her flub at the NFL’s Super Bowl football game in Arlington, Texas – Aguilera’s latest embarrassment is painting the image of a diva spiralling out of control.