Olivia Wilde and Jason Sudeikis expecting first child together

Whoa, mama!

Engaged couple Jason Sudeikis and Olivia Wilde are expecting their first child together, a rep for the actress confirmed to us Monday.

"WOW. You guys are awesome. So kind. Thank you thank you thank you!" Wilde tweeted after receiving fans' well wishes.

Adding a dose of her singature humor, Wilde quipped: "PS. Babies eat mostly salsa right?"

The 38-year-old former "SNL" funnyman and 29-year-old Wilde started dating in 2011 and got engaged at the beginning of this year.