Happy April Fools' Day! What better way to start off the month than with some major pranks (ahem, like claiming that Ariana Grande and Big Sean secretly got married)? While a bunch of celebrities will inevitable be pranking fans today, stars like Justin Bieber and Fifth Harmony have all set the bar high – their past pranks have been pretty memorable!

Click through to see 10 of the most epic pranks celebrities have pulled on April Fools' Day, then let us know in the comments below which pranks you love the most. Did any of them freak you out?

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