Here is a glimpse of what went on backstage during the second night of our iHeartRadio Music Festival 2018!

5SOS & Ryan Seacrest introduced Justin Timberlake who opened at our iHeartRadio Music Festival 2018!

Just Justin Timberlake getting "Filthy" at our iHeartRadio Music Festival 2018!

We love you Justin Timberlake! iHeartRadio Music Festival 2018

BAM! It's Justin Timberlake at our iHeartRadio Music Festival!

Justin Timberlake is just so sly! iHeartRadio Music Festival 2018!

We can watch Justin Timberlake all day long! iHeartRadio Music Festival 2018

Let's do this iHeartRadioMusic Festival 2018!

Justin Timberlake came to light this place up! iHeartRadio Music Festival 2018!

This guy! Justin Timberlake at our iHeartRadio Music Festival 2018!

Justin Timberlake brought out Shawn Mendes at our iHeartradio Music Festival 2018 & everyone LOST IT!

WOOOOO! Justin Timberlake at our iHeartradio Music Festival 2018

THIS! Justin Timberlake at our iHeartradio Music Festival 2018

Our 2 husbands! Shawn Mendes & Justin Timberlake at our iHeartradio Music Festival 2018

Carrie Underwood brought the wow factor to our iHeartRadio Music Festival 2018!

The voice of an angel! Carrie Underwood at our iHeartRadio Music Festival 2018!

SING IT GIRL! Carrie Underwood at our iHeartRadio Music Festival 2018

Even Carrie's baby was dancing at our iHeartRadio Music Festival 2018!

BEFORE HE CHEATS!!!!! Carrie Underwood at our iHeartRadio Music Festival 2018!

OOOOOOH YAAAAA! Carrie Underwood

Carrie's set was just unreal & beautiful!

Not sure how Carrie Underwood does it but she is incredible!

There's no holding us back here from showing how much we love Shawn!

MMMMMM

This magical, mythical creature is Shawn Mendes everyone!

Just Shawn Mendes serenading us!

Play that guitar Shawn!

We could watch Shawn put his hand through his hair ALL DAY!

We love you Shawn Mendes!

Luke Bryan has MONEY MOVES!

Dance it out Luke Bryan!

YASSSSS Luke Bryan! iHeartRadio Music Festival 2018

Luke Bryan is so captivating at our iHeartRadio Music Festival 2018!

"Can we hang out all night?" Probably what Luke Bryan was thinking at our iHeartRadio Music Festival 2018!

Put some moves into it Luke Bryan!

Kelly Clarkson brought the HEAT to our iHeartRadio Music Festival 2018!

Twirl like Kelly Clarkson!

Kelly brought soul & music to the iHeartRadio Music Festival!

"Since You've Been Gone!" Kelly Clarkson

Love me some Kelly Clarkson!

Queen Kelly Clarkson!

Wonder what Kelly is thinking right now!

Kelly Clarkson rocked our iHeartRadio Music Festival 2018!

Kelly Clarkson paid a beautiful tribute to the late Aretha Franklin!

Kelly Clarkson is goals!!!

Lynyrd Skynyrd was incredible at our iHeartRadio Music Festival 2018!

We all sang along to 'Sweet Home Alabama'!

Hands up in the air! Lynyrd Skynyrd

Lynyrd Skynyrd at our iHeartRadio Music Festival 2018

Imagine Dragons' Dan Reynolds gave us such a powerful speech at our iHeartRadio Music Festival 2018! #VegasStrong

Pretty sure Dan Reynolds had a mini workout at our iHeartRadio Music Festival 2018!

I don't know about you but Dan Reynolds looked good in shorts!

How incredible was Imagine Dragons at our iHeartRadio Music Festival 2018?!

This was such a cool moment! Imagine Dragons at our iHeartRadio Music Festival 2018.

When you have a good idea & then think about how good it is! Imagine Dragons at our iHeartRadio Music Festival 2018

Logic is just an incredible artist & he rocked it at our iHeartRadio Music Festival 2018!

Peace Love & Positivity

YASSSSS Logic!

I can never get enough of Logic!

Logic at our iHeartRadio Music Festival 2018

Give it up for Logic!