SPOTTED: American Idol runner-up, Lauren Alaina, performing at the Tree Lighting Ceremony and Concert at The Grove in Los Angeles.

The ceremony also included performances by Colbie Caillat, Gavin DeGraw, Robin Thicke, Il Divo and Sean Kingston. Alaina was most excited to see Gavin DeGraw, gushing via Twitter, that “he’s amazing!”

Lauren sang a pop-country Christmas medley which included Blue Christmas and Rockin’ Around the Christmas Tree (VIDEO below!)

Click here to see photos from other performers from this event (Gavin DeGraw, Colbie Caillat, Robin Thicke, Il Divo, Victoria Justice, Sean Kingston and Jackie Evancho).

Watch Lauren’s performance below: