Justin Bieber warned by Chelsea Handler about all his flirting

justin-bieber-chelsea.jpgBieber Fever came to "Chelsea Lately" Thursday (April 1) night.

"Little Nugget" -- as host Chelsea Handler refers to him -- Justin Bieber, gets drilled about his recent Twitter flirting. Bieber has tweet-flirted with Kim Kardashian, Katy Perry and even Handler herself.