Hailey Bieber, More Hot Celebrities Cool Off With Cold Plunges

Even the hottest celebrities need to cool off every so often … sizzling in the bathtub after taking cold plunges — and, we’ve got all the pics for you to dive into.

Hailey Bieber leads the parade of celebrities jumping into the icy water — floating in a small bathtub just like racecar driver Lewis Hamilton, who looks like he was trying hard to breathe through his discomfort.

Nicole Scherzinger and Zedd gave fans a full look at their bodies … each drawing eyes to their impressive chests.

Soccer star Cristiano Ronaldo decided to take part in a real polar bear plunge … walking down the steps and floating in a freezing pool — while outside in the middle of winter.

Actress Kate Hudson brought pal Angi Fletcher to bath time … hopping into the same tiny plunge tub. Both couldn’t help but bust up laughing while trying to sink beneath the icy surface.

And, Billie Eilish‘s big brother Finneas gave fans a look at what it’s like when a celeb is done with their plunge … hopping up out of the water, chest and legs wet with his hair tousled.