The Sun reports that they were "giggling and acting like schoolchildren" during their dinner date, with a source telling the site: "The pair entered through the back door so no fans or waiting photographers saw them. They didn't want anyone knowing they were there. They looked pretty cozy."
Sounds like they're keeping their relationship a bit hush-hush if they snuck in through the back door, huh?
Two years ago, Michael tweeted to Camila, "Ok I'm crushing on you hard," with Louis Tomlinson jumping in to do a little matchmaking, tweeting: "@camilacabello97 @michael5sos I'm sure you could come as Michaels +1? 5sos are on tour with us so..."
@camilacabello97 ok I'm crushing on you hard.- Michael Clifford (@Michael5SOS) February 18, 2013
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Gallery | I'm With the Band: One Direction Girlfriends