Katy Perry in a bikini and George W. Bush lead today’s Ice Bucket roundup (16 videos)

Just when we were about through with these Ice Bucket Challenge videos comes Katy Perry in a bikini and we’re sucked right back in. Oh yeah, Emma Stone did one too! (And did we mention Katy Perry’s bikini video was also shot in slow-motion? Aww, yeah.)

In addition to Perry and Stone, we also have Ashley Tisdale and Zac Efron, Faith Hill, Hannah Davis, Nicole Scherzinger, Julia Louis-Dreyfus, Kerry Washington, Jordan Carver, Lily Allen, Melanie Brown, Francia Raisa, George W. Bush, Tom Cruise, Hugh Jackman, and Simon Cowell.

Katy Perry

Now in slow-motion…

Emma Stone

Ashley Tisdale and Zac Efron

Faith Hill

Nicole Scherzinger

Hannah Davis

Melanie Brown

Julia Louis-Dreyfus

Kerry Washington – She did TWO!

Jordan Carver

Francia Raisa

Lily Allen

George W. Bush

Hugh Jackman

Tom Cruise (8 buckets!)

Simon Cowell

Related: Ice Bucket Challenge afternoon roundup: Shakira, Dr. Dre, Nicola Peltz plus 11 more

Related: Katy Perry went to a water park, tested the limits of her bikini top