January 11, 2010 (Los Angeles, CA)-- ENTERTAINMENT TONIGHT spoke with the cast of "Glee" over the weekend at an In Style party celebrating the show's Golden Globe nomination.

Creator Ryan Murphy broke the news to ET that Olivia Newton-John will appear in an episode this spring singing "Let's Get Physical" with Jane Lynch. "Olivia loves the show and is a great idol of mine," Murphy says.

• MUST CREDIT ENTERTAINMENT TONIGHT

• MUST MENTION TUNE IN TO ENTERTAINMENT TONIGHT ON MONDAY, JANUARY 11TH

• FOR WEB USAGE, PLEASE HOTLINK TO http://www.cbspressexpress.com/siteadmin/actions/WWW.ETONLINE.COM