Christina Applegate and Martyn LeNobleChristina Applegate is ready to walk down the aisle!

She and her musician boyfriend, Martyn LeNoble, are engaged, her rep confirms to Usmagazine.com.

"The couple, who have been dating for two years, got engaged on February 14, 2010," her rep said. "There is no set date for the wedding at this time."

Both Applegate and LeNoble have been married before. The 'Samantha Who?' star and her first husband, Johnathon Schaech, divorced in 2007.