During her cheer-leading skit, the uniform is plastered with the initials TUN, which might indicate towards the song - Thank U, Next.
Grande parodies some classic noughties films in Thank U, Next.
She released the single earlier this month as a tribute to her high-profile relationships and it's already risen to No. 1 on the Billboard Hot 100 chart.
Bennett tells us Daniel - who plays Damian, Lindsay Lohan's friend in the movie - had to pass on the offer because he's now on a comedy tour.
Firstly, Mean Girls gave Grande the greatest honour of all.
She posted comparison shots of her, in all her Elle Woods glory, laying on a fuchsia lounge chair in matching shades, pink capris and a fuzzy pink cardigan and Grande wearing a replica outfit to her Instagram page on Friday.
Meanwhile Kris Jenner appeared as "cool mum" Mrs. George (originally played by Amy Poehler).
"I heard she's a lesbian who's now dating a chick called Aubrey...", Troye's character says, before he's pushed into a school locker by Ariana.
Legally Blonde's Jennifer Coolidge - portrayed as Paulette Bonaforte - was also seen giving sound advises in the song. The sweet pup channels Elle Woods' beloved sidekick, Bruiser Woods, in the "Legally Blonde"-inspired scenes".
In her Legally Blonde entrance, Grande drives a Porsche with a licence plate that says "7 Rings" - the internet thinks this is a reference to friendship rings she and her six best friends have.
Like the rest of us, the God Is A Woman hitmaker spent her younger years watching 13 going on 30 on repeat, so it was a pretty big deal.
Big Sean is described as "so cute" and "so sweet" - and in case you can't read it, the last bit says "could still get it". As of 3:45 PM PST, Grande's "thank u, next" had over 6 million views. In the song, she sings "Even nearly got married / To Pete I'm so thankful".
Donald Trump Says He Understands Spanish Better Than English Translation in Argentina
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BREAKING NOW: 7.0 Magnitude Earthquake ROCKS Alaska, Tsunami Warning Issued for Region
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President George H.W. Bush Has Passed Away
The longest living president in USA history, one of his biggest achievements was steering America through the end of the Cold War. He also battled Parkinson's disease and was hospitalized in the past year for a blood infection, low blood pressure and fatigue.