Well, it's official.

Donald Trump is the 45th President of the United States, after taking the oath of office on Friday January 20.

Let that sink in.

Now that the transition of power is complete, lets take a look at some of the best celebrity reactions on social media.

Chrissy Teigen

As usual, Teigen nails it.

nope

— christine teigen (@chrissyteigen)

what a beautiful prayer. makes me wanna grab my puss

— christine teigen (@chrissyteigen)

And when people took offense to the tweet above, she countered it by tweeting:

oh. it's offensive when I say it though. hm.

— christine teigen (@chrissyteigen)

And ended with a promise.

i was going to go to sundance to support john tomorrow but feeling compelled to support my fellow women. see you at the women's march, DC

— christine teigen (@chrissyteigen)

Katy Perry

Sleep is important if you're looking to smash the patriarchy

sleeping in

— KATY PERRY (@katyperry)

Then, I'm marching.

— KATY PERRY (@katyperry)

Audra McDonald

Is this a coincidence?

You guys...why did my email count turn to this number this minute right as he is being sworn in?!?! pic.twitter.com/4oBVoCBdKv

— Audra McDonald (@AudraEqualityMc)

Sarah Silverman

Jesus Christ.

This is the most I've ever heard the words Jesus Christ and the most I've ever said the words Jesus Christ

— Sarah Silverman (@SarahKSilverman)

Rihanna

Someone get her a pint of ice cream and some tissues, stat.

A photo posted by badgalriri (@badgalriri) on Jan 20, 2017 at 9:22am PST

Elizabeth Banks

Anywhere but here is better.

I made a appointment at the DMV this morning. That's where I'll be. The DMV. 🇺🇸 

— Elizabeth Banks (@ElizabethBanks)

John Legend

So much room to stretch out!

The last 2 inaugurations were very crowded. This one is so... roomy

— John Legend (@johnlegend)

Will Arnett

So, what's new?

Hey gang...just got back from Mars... anything happening I should know about?

— Will Arnett™ (@arnettwill)

Julie Bowen

Gotta pass the time somehow.

A photo posted by Julie Bowen (@itsjuliebowen) on Jan 20, 2017 at 8:41am PST

Chelsea Handler

3 Doors Down live and in concert.

Trump’s inauguration will be protested in all 50 states and 32 countries, making this the highest attended 3 Door Down concert to date.

— Chelsea Handler (@chelseahandler)

Kat Dennings

What else is on?

It's a great day to watch infomercials!

— Kat Dennings (@OfficialKat)

Jessica Chastain

An important reminder.

Ladies, remember to set your clocks back 100 yrs tonight. pic.twitter.com/QZmbhOjqjU

— Jessica Chastain (@jes_chastain)

Hillary Clinton

The classiest tweet ever.

I'm here today to honor our democracy & its enduring values. I will never stop believing in our country & its future.

— Hillary Clinton (@HillaryClinton)

And a non-celebrity honorable mention

Because if there's one thing that'll piss Mike Pence off, it's people having fun.

These are the streets outside Mike Pence's house in D.C., shut down by activists throwing a Queer Dance Party tonight. Pure jubilance. pic.twitter.com/GrJAgvSZBh

— Jack Smith IV (@JackSmithIV)

More to come. Watch this space.