Frankie Avalon appeared to Frenchy in the film Grease (1978) singing the song Beauty School Dropout.
In 2007 Avalon performed Beauty School Dropout with the four remaining female contenders (Kathleen Monteleone, Ashley Spencer, Allie Schulz, and winner Laura Osnes) for the role of Sandy on the NBC reality show Grease: You're the One that I Want!. On April 8, 2009 he performed the song Venus during an episode of the eighth season of Fox's American Idol.
Currently, Avalon is touring the United States and Canada with D!ck Fox's Golden Boys. Locations include St. Charles IL; Mt. Pleasant, MI; Las Vegas; Shelton, WA; East Meadow, NY; Chatauqua, NY; Toronto; and Pitman, NJ.
Of interest, Olivia Newton John who played Sandy in the motion picture version of Grease (1978) recently announced that she will be auctioning off the leather outfit she wore at the end the film to raise cash for a cancer hospital in her home country of Australia.