Kelly Osbourne on Weight Loss: ‘I Never Thought I’d Be a Skinny Girl’ (PHOTOS)

Kelly Osbourne on Gaga
The co-host says she thinks the pop star is pregnant.
They say the only thing constant in life is change!

Kelly Osbourne is still in shock about how much her life has changed over the last few years.

From her dramatic weight loss to becoming an aunt, the Fashion Police star opened up to In Touch about her happier and healthier life.

Osbourne told the magazine that although she has an affinity for “cookies and Brie,” she maintains a healthy lifestyle of working out five days a week and eating clean, nutritiously-dense foods.

Osbourne does admit to having one cheat day a week, which is crucial to her longterm success.

“I do cheat. I have one cheat day a week where I eat whatever the f**k I want,” she said. “But I always stop eating when I’m full.”

When Osbourne isn’t busy with her hit TV show or enjoying the company of her boyfriend of 11 months, model Matthew Mosshart, she’s spending time with her baby niece Pearl.

“I promised Jack that I wouldn’t spoil her, so I have to run everything [I buy] past him first.” she said about buying Christmas presents for the 8-month-old. “We’ll see how long that lasts.”

Not only is Osbourne taking her new role as aunt very seriously, she’s incredibly proud of her brother Jack too.

“I feel like I’ve watched my little brother turn into a man overnight.” she told In Touch.

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“We’re a bigger family now. What could be better?”

With health and happiness on her side, it doesn’t look like things could be any better for the Osbournes.