The 'Loose Women' star - who celebrates her 50th birthday later this year - showed off her fabulous figure in a striped bikini during a sunshine break to Portugal.
The 49-year-old actress will make a one-off appearance in the the BBC soap as the girlfriend of David Wicks.
Lisa will play Naomi opposite Michael French, who is reprising his role as the womaniser.
But despite her new acting role, Lisa - who was a regular on ITV police drama 'The Bill' - assured fans that she'll still be appearing on 'Loose Women'.
“I haven’t left loose Women. Panic over!” she tweeted.