One major downside to being a celebrity is that the world is always watching your every move.

This is even more true when a star is going through something tough, like a big breakup.

Take a look at some post-breakup transformations that left celebrities almost unrecognizable.

Hilary Duff

Shortly after the breakup, Kardashian began to completely transform.

I felt so clear and I had nowhere else to go."

So I have moved on from that."

Khloe Kardashian

And that’s that."

About a year later, Malik got rid of some old ink on his body.

His then-girlfriend Gigi Hadid posted Snapchats (viaHello!)

Katy Perry

where it was obvious that Malik had covered up his tattoo of Edwards.

I did everything I could.

It wasn’t good enough.

Sarah Hyland

I will always love him and my heart will always remain open for him."

Time for a change.

Time to have a different outlook.

Zayn Malik

Time to let go of the past and embrace new."

In a statement, the couple said, “This is not the future we envisioned.”

He explained that the way he was feeling influenced much of the music on his album.

Kendra Wilkinson

As the months went by, Shelton clearly lost weight and started dressing a little sharper.

News) that he looked thinner.

In 2015, a sourcetold E!

Blake Shelton

Jonas did an interview withMario Lopez on Extra, saying, “She’s an amazing person.

Heartbreak is hard but you find more and more things to be grateful for every day.

One of those things is all of you.

Olivia Culpo

Yes I’m going to be okay and I love u guys so so much.”

Shortly afterwards, she cut her hair into a chic shoulder-length bob.

I’m lucky for the person he is and I am and how we decided to handle this."

Hilary Duff

Sources told the outlet, “His partying lately has made her make this tough decision.”

For me, exercise is as much about my body as it is about calming my mind."

I went through months and months of torture."

Kourtney Kardashian

Of course you go through the ‘Why me?’

and feel sorry for yourself.

“Excited for this new chapter of elevation.”

Gwen Stefani

While the relationship was short lived, a source reportedly toldPeoplethe pair ended things on good terms.

“This is something that was mutual and something that is completely amicable,” the source alleged.

“They are in different points in their lives; there is deep love and respect there.”

Ashley Benson

The “Knives Out” actress debuted a cute bob complete with bangs.

Pete Davidson

Pete Davidson is not afraid to play with his appearance and style.

From his many tattoos to his hair and fashion, the comedian is known to experiment with fun looks.

Saweetie

After the breakup, Davidson showed off a new blue hairdo on his stylist Aura’sInstagram.

​​Ana de Armas

Pete Davidson