[5] In 2001, Heaton auditioned for the ITV reality television music competition Popstars, a show intended to form a new group from individual contestants, becoming one of the finalist.

[6] In 2008, she competed on the reality television shows Fáilte Towers on RTÉ One in Ireland and on a celebrity edition of Come Dine with Me, finishing in third place.

[8][9] In 2013 Heaton reunited with Liberty X for ITV2's reality show The Big Reunion, along with other pop groups of their time – B*Witched, Honeyz, 911, Five and Atomic Kitten – to solve past problems and do a live performance at the London Hammersmith Apollo on 26 February.

[14][15] In January 2023, Heaton competed in the fifteenth series of Dancing on Ice, paired with Łukasz Różycki, finishing in 10th place.

[20] In 2021, Michelle appeared on the UK television show Loose Women to speak about her alcohol addiction and her time in rehab.