Rap star Coolio lives a wild lifestyle in Las Vegas – a whirlwind of parties, women and horrendous hangovers. Over in Brixton, young rapper B1 is a Coolio superfan and he's Vegas-bound to meet his idol.
He's a got a tribute song in hand and he's on his way to doorstep Coolio. Far from being put off, the rap star invites B1 out on the town with him!
There's also superfans of Jedward and Madonna, all out to impress their music heroes and show them just how much they mean to their fans…
Superstars and Superfans: Popstars, TLC, 10pm