What was supposed to be a fun-filled time with the buds turned into a sad, strange Instagram series.
Everyone else's flights got canceled, but Robbie wasn't going to let that stop him from enjoying a stay in the Windy City. This was HIS day now.
To document his solo experience, Robbie started using the hashtag #ChicagoForOne and posting awkward photos at Chicago landmarks.
Check out his beautiful, lonely journey below...