Katy Perry is just one of the many stars who spoke to 2020 graduates through the YouTube Originals special.
With Elijah Wood, Orlando Bloom, Viggo Mortensen and Gandalf himself, Sir Ian McKellen.
Check out how celebs celebrated and honored the special holiday.
The pregnant pop star is quarantined with her fiance, Orlando Bloom's, son Flynn and several of her nieces and nephews.
The couple is expecting their first child together.
The mom-to-be opened up to fans in a Facebook Live chat on Sunday.
The couple announced on Friday that they're expecting a daughter.
The singer shared a sweet picture of Bloom following their gender reveal on Friday.
Quarantine life brought on by the coronavirus pandemic has some of Hollywood's most famous couples spending A LOT more time together.
The singer joked that Lionel Richie is just too pricey to hire as a wedding singer.
ET caught up with the singer and her fellow ‘American Idol’ judges during Hollywood Week.
'She has wanted this for so long and just wants to do it right,' a source tells ET.
The actor is getting candid about his sex life.
The pop star is putting her health and safety first.
