'Saturday Night Live' Features Stone 10/23, Hamm 10/30

SNL returns with two back-to-back live shows starting on October 23rd with actress Emma Stone and musical guest Kings of Leon.

Most recently seen in the feature film comedy, "Easy A," Emma Stone is currently filming "The Help." Stone can next be seen opposite Steve Carell and Ryan Gosling in "Crazy, Stupid, Love" due out April 2011.

Kings of Leon will make their second musical guest appearance debuting new songs from their fifth studio album, "Come Around Sundown." The album is a follow-up to their 2008 album "Only By The Night," which won the group four Grammy's including Record of the Year.

Jon Hamm will serve as host for his third time on October 30. Hamm is the star of the multiple Emmy award-winning series "Mad Men," and currently can be seen alongside Ben Affleck, Blake Lively and Rebecca Hall in "The Town."

Grammy award-winner Rihanna will make her second musical guest appearance with performances from her soon to be released fifth studio album, "Loud." Rihanna's singles continue to top the Billboard charts, including her latest single, "Only Girl (In the World)."

"Saturday Night Live" is produced in association with Broadway Video. The creator and executive producer is Lorne Michaels.