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Kelly Osbourne Made ‘Big Changes’ to Be the ‘Healthiest Version of Herself’: Weight Loss Photos

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Updated on: Nov 10, 2023 1:22 pm·

By Melissa Copelton and John Quinn

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Hollywood royalty! Kelly Osbourne has been in the public eye her entire life — and as a result, fans have been able to watch her transform before their very eyes. Of course, the “Papa Don’t Preach” singer looks much different in 2023 than she did while starring on her famous family’s reality TV series, The Osbournes, in the early 2000s.

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In fact, the daughter of Sharon and Ozzy Osbourne revealed a dramatic 85-pound weight loss in August 2020.

Kelly “feels like a new person today,” a source previously told Life & Style. “After years of fad eating plans and yo-yo dieting, she has finally realized what works for her. She’s embraced her vegan diet and she incorporates weights into her exercise routine, which includes a lot of walking.”

Scroll through the gallery below to see photos of Kelly Osbourne’s total transformation over the years.

1 of 19

2002

Kelly has always been the coolest girl in the room. Even at a young age, her style was so edgy.

2 of 19

2005

The View guest star is notorious for switching up her hairstyle. We can hardly count how many different colors she’s had since her teen years.

3 of 19

2008

Kelly’s confidence is by far her best accessory! We love her bold fashion choices.

4 of 19

2011

The London-born starlet definitely feels comfortable in evening wear on the red carpet — but she also looks fabulous in a casual outfit.

5 of 19

2014

Of course, because her dad is a legendary rockstar, tattoos and lots of jewelry have always been a staple for Kelly.

6 of 19

2017

Purple is definitely Kelly’s go-to hair color in recent years. She’s been dying her ‘do different variations since 2017.

7 of 19

2020

It’s clear she always knows how to rock a red carpet.

8 of 19

August 2020

Kelly was all smiles while flaunting her slim figure after opening up about losing 85 pounds in August.

9 of 19

August 2020

Fashionista! Kelly rocked this adorable patterned skirt while out and about in Los Angeles.

10 of 19

September 2020

“You can always tell when I’m stressed because I get a huge vein that pops out of my head!” the star captioned a selfie shot in September 2020.

11 of 19

September 2020

Kelly flaunted her fit figure in a cropped hoodie while shopping in Los Angeles.

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Kelly Osbourne Weight Loss Transformation

October 2020

Kelly showed off her tiny waist in this stylish dress while celebrating her pal’s birthday in October 2020.

13 of 19

October 2020

The former Osbournes star showed off her tiny waist in a behind-the-scenes photo from a fitting in October 2020 — and even accidentally gave fans a glimpse of her bra.

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October 2020

The former MTV star looked slim and smiley while taking a mirror selfie with her pal Daniel Nguyen to commemorate their fun day of fashion.

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Kelly Osbourne's Total Transformation Over the Years

March 2021

Kelly looked cool — and slim! — while out and about in Los Angeles.

16 of 19

April 2021

We see you, girl! On April 21, Kelly debuted her gorgeous new extensions and stunning glam. “New hair!! New outlook!!” she captioned the post on Instagram.

17 of 19

Kelly Osbourne Looks Slimmer Than Ever in Stunning New Photo: ‘Sun’s Out Buns Out’

May 2021

“Sun’s out, buns out,” Kelly captioned this stunning photo on May 22.

18 of 19

2022

Kelly welcomed her first child with boyfriend Sid Wilson, a son named Sidney, in late 2022. After giving birth to Sidney, Kelly admitted that she was “on a mission” to lose the baby weight, dropping a whopping 85 pounds.

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2023

The reality TV star flaunted her fab new figure while celebrating her 39th birthday at Craig’s restaurant in Los Angeles in October 2023.

“Being a mom has been the single best thing to ever happen to Kelly,” a source exclusively told Life & Style. “She wants to be the healthiest version of herself for her son, and so because of that, she’s made some big, big changes.”

The former Fashion Police host has made working out a priority now and she has a personal chef preparing her meals. “Kelly looks the best she’s ever looked as a result. Even she can’t believe how far she’s come,” shared the source. “She’s calling 39 her best year yet and wants to maintain this healthy lifestyle and carry it into her 40s.”