We had heard that he and girlfriend Erin Darke were going through a rocky period, but we were pretty skeptical. They just seem so good together!
But at the Toronto premiere of The F Word (known stateside as What If), the Harry Potter star showed up stag!
Daniel was friendly with fans and signed plenty of autographs. And he looked like he had a blast on the red carpet with costar Zoe Kazan.
BUT we couldn't help but notice that she brought HER boyfriend, There Will Be Blood star Paul Dano.
So it really raises the question: why didn't Erin show up to support her man? Are they really on the rocks?
CLICK HERE to see some other questionable couplings in the gallery "Off Or On? What's The Status Of These Shaky Celeb Couples!"
[Image via Pacific Coast News.]