Lil Wayne
Justin Bieber sent fans into a frenzy on Sunday (10Jul11) when he made a surprise appearance at his rapper pal Lil Twist's concert in California.
Lil Wayne's 18-year-old protege was playing at the House of Blues in Anaheim when Justin Bieber ran out onstage to join him for a performance of their duet Wind It, causing the audience to scream in excitement.
The Baby hitmaker has been working with Twist in the studio on another track, a forthcoming single titled Wherever You Are.
