The Saturdays singer, 44, and the BBC Radio 1 DJ, 45, are said to have signed up for the popular cooking contest, in its first series since host John Torode was sacked.
The Saturdays singer, 36, has always been candid about her struggles with depression that resulted in her being hospitalised in 2011 after reaching 'rock bottom'.
The presenter, 47, is believed to be in a 10-year feud with Saturdays singer, 36, after Myleene is said to have believed she was being 'blanked' by Frankie and confronted her.
The Saturdays singer, 36, is believed to be in a 10-year feud with Myleene, 47, after Myleene is said to have believed she was being 'blanked' by Frankie.