Only Murders in the Building" star shared a TikTok video of herself rocking a colorful one-piece swimsuit while on vacation.
"Suck it in," a woman said in the audio, to which Selena mouthed another woman's words in reply, "I'm not sucking s--- in!
Many fans took to the comments section of the TikTok to praise Selena for sending a positive message through her video.
"You make me feel comfortable in my own skin 🥺," a user commented, and another similarly wrote.
TikTok Stories to slam body shamers and internet trolls who feel the need to comment on her appearance.
In the clip, Selena shared that although she usually tries to limit her fast food intake, there are times when she goes all in.
"So I be trying to stay skinny, but I went to Jack in the Box and I got four tacos, three egg rolls, onion rings and a spicy chicken sandwich," she said.