Katy Perry, Kylie Jenner, and 6 other celebrity moms on how their bodies changed during pregnancy

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• Celebrity mothers are often under pressure to gain minimal weight while pregnant and immediately lose it after having a baby.
• Many famous mothers are now are shirking expectations and have opened up about the unavoidable and challenging realities of pregnancy.
• Celebrities including Chrissy Teigen, Kylie Jenner, and Katy Perry have talked about weight gain, physical ailments, and overall discomforts they've endured while pregnant.

In the past, pregnant celebrities were expected to only grow a slight bump and were derided if they gained the recommended amount of weight, or even just a few extra pounds, in the process. Right after having a baby, famous mothers were to return to having flat tummies and slipping into size 2 jeans.

While that still happens in Hollywood, many celebrity mothers are also breaking through taboos, sharing the challenging, and unavoidable, elements of pregnancy.

Katy Perry, who gave birth to a daughter, Daisy Dove, last month, was refreshingly open about the realities of pregnancy. She talked about her weight gain and how her body experienced swelling toward the end of her pregnancy.

Read about seven other celebrity mothers, including Kylie Jenner and Cardi B, who shirked expectations and shared intimate details about about what they endured.