Mariah Carey's gig at the Hollywood Bowl the other night became a family affair when she brought her six-year-old twins on stage for a sing-song.

It's not often that Carey would willingly allow herself to be upstaged, but the adorable duo, Moroccan and Monroe, joined their mum while she was singing 'Always Be My Baby', with the diva revealing that they had been practicing the song over the last few days.

Although a little shy at first, the latter did her mum proud as she managed a few lines of the chorus before being whisked away to the side of the stage.

Watch it below: