Hannah Waddingham was 31 in The Only Boy for Me when she played the character 'Melissa'.
That was over 18 years ago in 2006.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 49, and has starred in 13 movies in total, 12 of those since The Only Boy for Me was released.
In The Only Boy for Me, I think Hannah Waddingham looks: