Lady Gaga: Curvy or Pregnant? (Photo : LittleMonsters.com)

Lady Gaga shocked everyone with her significant weight gain. It seems like it was just yesterday when the eccentric pop star was just pin-thin. Now Gaga is nearly 30 pounds heavier.

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Kelly Osbourne, one of the fashion critics on E!'s "Fashion Police," is weighing in (no pun intended) on Gaga's fuller figure.  During an appearance on British comedian Alan Carr's talk show, Osbourne said, "I think she is pregnant because she has been covering up this part of her body recently and I have been noticing that a lot." The mother monster has been more covered up recently. Once upon a time she would walk the streets wearing nothing but fishnet stockings, stripper heels, and a leather jacket. Now, Gaga has developed a more demure taste, donning long dresses and matronly fits. It wasn't until her concert in the Netherlands this week that she wore more revealing costumes which displayed all her new curves.

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Osbourne also noted that Gaga hasn't bleached her hair. She continued, "Her style has changed and you can't bleach your hair blonde when you are pregnant." Gaga has returned to her natural brown (or "Louis Vuitton Brown") roots over the summer and has been wearing blond wigs over the summer.

Osbourne's speculation holds a lot of weight (again, no pun intended), except, the interview was done before Gaga was spotted smoking marijuana on stage during a concert in Amsterdam. The "Born This Way" pop star is wild but we doubt she would smoke while pregnant. Why would she want to harm her little monster? So much for that pregnancy theory.

Gaga has spoken out about her obvious weight gain in an interview with radio host Elvis Duran. "I'm dieting right now, because I gained, like, 25 pounds," said Gaga. "And you know I really don't feel bad about it, not even for a second. I have to be on such a strict diet constantly. It's hard because it's a quite vigorous show, so I tend to bulk up, get muscular, and I really don't like that. So I'm trying to find a new balance."

The Italian-American pop star blames her heritage's delicious food. "I love eating pasta and pizza," said Gaga. "I'm a New York Italian girl. That's why I have been staying out of New York." She particularly blames her father for the weight gain.  "My father opened a restaurant. It's so amazing...it's so freaking delicious, but I'm telling you I gain five pounds every time I go in there. So my dad wants me to eat at the restaurant, and I'm, like, I've got to go where I can drink green juice."

Back in April the "Edge of Glory" singer tweeted, "Just killed back to back spin classes. Eating a salad dreaming of a cheeseburger. Pop singers don't eat. I was born this way." At the time, Gaga was criticized for being "too skinny" and after she tweeted that message, fans encouraged her to eat more.

And of course, because celebrities can never look perfect enough, the star is now scrutinized for being a little heavier.

View her weight gain photos here.

Do you think Lady Gaga has put on too much weight?