Hannah Waddingham almost unrecognisable in youthful photos from start of acting career

(Image: Getty)However, before she made it onto the small screen, British megastar Hannah had already established herself as a triple threat on London's West End, where she stole the show in several major on-stage roles.

After impressing audiences in her West End debut, Hannah portrayed Christine Warner in Andrew Lloyd Webber and Ben Elton'sThe Beautiful Game.

Worlds away from her polished on-screen appearances in recent years - Hannah then took on the challenge of portraying Satan in Sir Rod Stewart's musical, Tonight's the Night.

While clearly being a big hit with audiences, Hannah also stunned theatre critics and picked up multiple Laurence Olivier Award nominations as her career soared to new heights.

As the 49-year-old actress, singer, and TV presenter is set to host the Olivier Awards this weekend, Express.co.uk has taken a look back at the star's incredible transformation over the years.

Hannah Waddingham stunned theatre-goers as she donned a plunging black leather catsuit to portray the role of Satan in Sir Rod Stewart's musical earlier on in her acting career.