17 Pics That Prove Gwen & Blake's Romance Is the Real Thing

Their cute couple photos say it all

THEY AREN'T AFRAID TO SHOW P.D.A.

"They acted like giddy teenagers at a high school dance," an insider tells PEOPLE of the pair's PDA-packed night at this year's Vanity Fair Oscars party. "They were holding hands the whole night and didn't leave each other's sides. I don't think either of them stopped smiling the entire time they were there."