Rebecca Adlington's swimming career is what made her famous.
And she's keeping with her roots in her latest Instagram post.
The former competitive sportswoman was seen stripping down to her swimwear for a new campaign.
Rebecca, 28, is the new face (and body) of Slazenger swimwear.
SLAZENGER/BEN KOCH
“So excited for my new range with Slazenger coming out in Feb!”
Rebecca Adlington
And she was certainly doing a good job of selling it.
The blonde looked beautiful as she posed in a range of different costumes.
The included a multi-coloured skintight number and a blue flower design.
Former I'm A Celebrity star Becky teamed her swimwear with wet locks, pulled back away from her face.
Celebs sexiest swimwear pics

INSTAGRAM/REBECCA ADLINGTON
She was also sporting some killer false eyelashes and a nude lip.
Becky captioned the post: "So excited for my new range with Slazenger coming out in Feb!"
Fans were loving her snaps, judging by the comments.
Swimming legend Rebecca Adlington

GETTY IMAGES
One told her: "Looking good Bex," while another added: "Gorgeous lady."
A third chimed in: "Beautiful photos Becky, You're so gorgeous in them!"
Well if anyone's comfortable in a swimsuit, it's definitely Becky.