Gillian Cosgriff is a musical comedian living and working in Melbourne. 

She graduated from the Western Australian Academy of Performing Arts (WAAPA) in 2010 with a Bachelor of Music Theatre and has spent the last eight years garnering accolades and rave reviews for her unique style of musical comedy.

Her television credits include Offspring, House Husbands, Fat Tony & Co., and Ricketts Lane, and she was a backing vocalist for Kate Miller-Heidke’s 2012 album, Nightflight. Theatre credits include The Pirates of Penzance (The Production Company), A 3-Handed Mikado with Colin Lane (Lano and Woodley) and David Collins (The Umbilical Brothers), Loving Repeating (Vic Theatre Company), Company (Watch This) and Vivid White (Melbourne Theatre Company). Her performance in the improvised web series Written It Down (featured on Funny or Die and ABC’s Fresh Blood) saw her win Best Actress at the LA Webfest Awards 2014.

Her second solo show This Is Why We Can’t Have Nice Things won the Best Cabaret Award at Melbourne Fringe 2013 and a Green Room Award for Best Original Songs. In 2014 her cover of Pharrell Williams’ song Happy received over 250,000 views on YouTube with Pharrell himself taking to the internet to recommend it.

"★★★★★ - There’s not a single gag that doesn’t land, nor a hair out of place. Cosgriff is like a cabaret ninja...and man does she know her way around these musical nunchucks."

- The Herald Sun

"★★★★★ - Warm, witty, and engaging...expect great things from Gillian Cosgriff."

- The West Australian