Mel will be joined in the UK by her husband Stephen Belafonte and three daughters and they are currently winging their way here on a plane.
Sharing a snap of herself and her girls - Phoenix, Angel and Madison - Mel Instagrammed: "Up up and away with the gang, family is everything!!"
Well, she certainly puts Mr 'First Class Private Jet' Simon Cowell to shame. Mel and the family are in economy!
Former Spice Girl Mel lives in Los Angeles with Stephen and the girls, but they are all set to join her in England over the coming weeks as the competition heats up.
All the X Factor footage of Mel shown so far has been pre-recorded, but she will be sat alongside her fellow judges in person on Saturday night.
Earlier this week, Mel shared another sweet picture of herself, Stephen and daughters as they enjoyed the last of the LA sunshine before heading to London.
Like the other judges, the star has now picked her favourite three acts from her category - the Boys - and will be mentoring them throughout the live shows.
Mel's chosen lads are Paul Akister, Andrea Faustini and Jake Quickenden. She narrowed them down from her final six at Judges' Houses, with the help of Spice Girl pal Emma Bunton.