VIDEO: Watch Seth MacFarlane Perform Lauper's 'True Colors' as Peter Griffin!

Seth MacFarlane stopped by THE GRAHAM NORTON SHOW this week along with Tony Award winning singer/songwriter Cyndi Lauper. During the appearance, MacFarlane gave Lauper his rendition of her hit song, 'True Colors', as performed by 'Family Guy's Peter Griffin. Check out the hilarious number below!

"True Colors" was featured in Broadway's "Priscilla Queen of the Desert."

Cyndi Lauper won the 2013 Tony Award for Best Original Score (music and/or lyrics) written for the theater for KINKY BOOTS. With her first album, She's So Unusual, Lauper won a Grammy award for Best New Artist and became the first female in history to have four top-10 singles from a debut album.

Since then, Lauper has released 10 additional studio albums, with her most recent, the Grammy-nominated Memphis Blues, ruling the Billboard Blues chart for 14 consecutive weeks to become the best-selling Blues album of 2010. Overall, during her storied music career, Lauper has been nominated for 14 Grammy Awards, 2 American Music Awards, 7 American Video Awards and 18 MTV Awards. Lauper recently captured her journey through music and life in her New York Times Best Selling autobiography, Cyndi Lauper: A Memior. As an actress, Lauper made her Broadway debut in Three Penny Opera alongside Alan Cumming in 2006. She has appeared in numerous television shows, including "Mad About You" (Emmy Award) and "Bones," and films, including The Opportunist with Christopher Walken, Mrs. Parker and the VICIOUS Circle, Life with Mikey, Off and Running, and Vibes. Lauper returns to television in 2013, but this time as herself, in the docu-series Cyndi Lauper: She's Still So Unusual on WE TV. Lauper also continues her philanthropic work through her foundation, the True Colors Fund.