And no we're not just talking about that super cute pic of them looking like the hottest couple ever on the red carpet, although that's part of it.
The other part is that they're just so. darn. cute! For example, Dominic had to fly up to Toronto to work on his new film The Mortal Instruments: Shadowhunters and he thought he was going to have to be away from Sarah for two weeks. But Sarah had a little tiny secret...she was coming to surprise him. And here's the moment he saw her, which will make you feel like you're watching the sweetest love story of all time because you kind of are.
Yeah, it's kind of over-the-top sweet. Talk about making the trip worthwhile. That reaction is everything.
Later, Dominic shared a pic of them hanging out, with this cute caption, "Didn't think I was going to see her for two more weeks! Best surprise ever!"
Seriously, just stop it, you two! Actually, don't stop because we are as in love with you guys as you are with each other.
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Gallery | These Celeb Couples Say the Sweetest Things