After graduating from Italia Conti Academy in 1998–1999, Manning toured the UK as a phantom understudying the lead role of Janet Weiss [13] in The Rocky Horror Show directed by Christopher Malcolm with Jason Donovan and Ross King as Frank n Furter, Laurie Brett and Majenta and Nicholas Parsons as the narrator for 18 months.
In September 1999, Manning continued touring with The Rocky Horror Show with actor Darren Day playing the role of Frank n Furter.
In 2003 she played the leader of the pink ladies "Rizzo" in Grease,[6] alongside Noel Sullivan as Danny and Clare Buckfield as Sandy at the Jersey Opera House.
The Mod Musical[9][10] directed by Broadway Director and actress Kim.R.Jordan (the original television series FAME) for N.C.L Productions, based in Miami.
From 2016 to July 2018, Manning appeared in a series of concerts called Sunday At The Musicals for The Royal Variety club of Great Britain in the West End for Paul Burton Productions.