Carrie Bickmore has taken the plunge on the first day of winter for her radio show's Zero Flocks Given party.
The bubbly 37-year-old was doing it as part of her Hit Network radio show with her comedian co-host, Tommy Little, 33.
Former So You Think You Can Dance? contestant and singer Timomatic was also roped into appearing at the outside broadcast.
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Making a splash! Media personality Carrie Bickmore and Tommy Little [L] donned wet-suits (and a pink bikini for Carrie) while broadcasting at North Sydney Olympic Pool on Friday
Taking to Instagram on Friday, the blonde host shared a number of behind-the-scenes snaps at North Sydney Olympic Pool.
The mother-of-two donned a Rip Curl wetsuit, which she then paired with a pink bikini, to guard off the chilly Sydney day.
Tommy opted for a black wetsuit to cover his buff body, also wearing a pair of blue-and-white moustache