Jessica Simpson Can't Stop Smiling

T-shirt and jeans girl Jessica Simpson continues her smiling marathon, grabbing a bite to eat for lunch on Monday at NYC’s Dos Caminos Restaurant in SoHo.

Wearing her support for The Rolling Stones on her shirt by Junk Food, Jessica seemed totally unaffected by all the break-up reports circulating around the tabloids.

Could it be that she really did meet up with ex-beau John Mayer for lunch?

More pictures inside of Jessica smiling (in shoes from Bottega Veneta)…