Chris Brown gives advice to Bieber

Chris Brown has advised Justin Bieber to "focus".

The Canadian teen popstar bagged the Top Male Artist and Top Social Artist prizes at the Billboard Music Awards last night.

His musical pal Chris has congratulated Justin and says the 19-year-old should concentrate on his career, despite hitting headlines for a variety of controversial reasons recently.

"Congrats @justinbieber.Focus and f**k the bulls**t! Love ya boy! (sic)" Chris wrote on Twitter.

Justin has caused a stir in Hollywood recently when he was snapped smoking what appeared to be marijuana and accused of assaulting a neighbour.

Taking home two major honours seems to have helped the star reflect on what's important.

"Blessed," he tweeted.

"2 performances and 2 awards. Grateful to my #Beliebers . Our awards. Love u... love music, my fans, my family, my friends.. And I love The Lord (sic)."

Also quick to congratulate the star were Miley Cyrus and singer will.i.am who collaborated with Justin on hit #thatPower.

"the army we had was sick... we rocked it... @justinbieber: @iamwill we killed it bro. Love u man. #thatpower" (sic)" will wrote.

Justin's on/off girlfriend Selena Gomez also seemed happy for the singer.

Despite being seated apart during the festivities, the 20-year-old brunette planted a kiss on Justin's cheek backstage.

One person who seems less enamoured with the teen heartthrob is Selena's famous pal Taylor Swift.

The 23-year-old pulled a jokey disgusted face when Justin and Selena embraced, hinting she's not keen on the young couple's up-and-down relationship.

Taylor herself was the star of the show, taking home eight awards, including the coveted Top Artist honour.