Demi Lovato heads out for lunch with a gal pal at Marmalade Cafe on Tuesday afternoon in Sherman Oaks, Calif.

After lunch, the 19-year-old actress and her friend headed over to Menchie’s yogurt for a tasty treat before hitting up Iguana’s Vintage Clothing store.

Demi has been a trending topic on Twitter for nine hours straight! “OMG MY FANS ARE INCREDIBLE!! Another TT?!!!!!! WOW!!! Thank you thank you THANK YOU!!!! :D” she tweeted.

Over the weekend, Demi was spotted at the 2011 MTV VMAs where she caught up with BFF Selena Gomez, Justin Bieber and even Joe Jonas.

10+ pic inside of Demi Lovato…