It's that time of year ... when Hollywood's rich and famous add a little pomp and circumstance into the mix. So many celebs have something to celebrate during graduation season -- whether that's honorary diplomas, their kids finishing school, or earning their own degrees. Stars like PinkPantheress , Hilary Duff and Salma Hayek are all part of the academic A-listers club. Cue up "Graduation (Friends Forever)" by Vitamin C and check out our gallery to see who else made the grade!