Christina Aguilera is enjoying summertime.

The 39-year-old singer shared a series of pictures of herself relaxing in the pool on Instagram on Monday.

In the four photos, the "Beautiful" singer could be seen relaxing on a pink pool float while enjoying a beverage.

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She donned a form-fitting white thigh-length dress, paired with a white wide-brimmed floppy hat and gold accessories.

Between her ensemble, her bright blonde hair, red lipstick and winged eyeliner, Aguilera bore a stunning resemblance to classic Hollywood stars like Marilyn Monroe.

Meanwhile, a fan said in the comments that the singer was giving off "Jessica rabbit vibes in the last pic."

"You look INCREDIBLE xtina!!!" they added.

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Paris Hilton also commented on the photo, writing, "Gorgeous."

Many other fans complimented the look as well.

"She look [sic.] so classic," said a follower with a handful of kissing emojis.

"Glamourrrr," commented another.

A fifth added: "Omg legend."

Meanwhile, others thought Aguilera was giving off Meredith Blake vibes from "The Parent Trap," with star Elaine Hendrix even asking the singer: "Hey girl. Which vineyard you at?"

Aguilera also shared a snap from her pool day on Saturday, but this time, she was in the water.

The songstress had her head tilted back and added a pair of modern sunglasses to her getup.

In the caption, she praised Cardi B and Megan Thee Stallion's empowering female sexuality anthem "WAP."

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"#WAP got me feelin some type of way," she wrote.

Some fans praised Aguilera for "supporting other queens," while others demanded she appear on a remix of the popular hip-hop hit.