Lady Gaga isn't the first celebrity to put on a few pounds.
If anyone can relate to being scrutinized for weight gain, it's Kirstie Alley.
"Most of my career I was pretty lean, so when I gained the weight, obviously people [noticed]," the former Fat Actress star, 61, told PEOPLE. "With [Lady Gaga], she gains  pounds and it becomes this huge thing."
Gaga, 26, who acknowledged her weight gain to radio host Elvis Duran last month, recently posted a quote on her website from Marilyn Monroe that said, "To all the girls that think you're ugly because you're not a size 0, you're the beautiful one. It's society who's ugly."
Alley agrees with that sentiment, saying, "It's Hollywood that is obsessed with weight. I think everyone should try to be healthy. Lean is better than not lean, but I think we send a horrible message to the world, especially to girls."
As for the amount Gaga has gained, Alley said, "She was so freaking skinny that  pounds would make her a what, size 2? There's an insanity here. I know it's a pressure on her. I know it is. It's really hard to play that game."
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