Ariana Grande thanked all of her Twitter fans and gave some shout outs during her live chat yesterday! Check out the full video above.

Check out this video from Ariana Grande‘s 18th birthday bash! The video is set to Ariana’s version of Adele’s “Rolling In The Deep”. Check out the video above to see videos from the party, plus, try and find some of your favorite celebs! In the video, we’ve spotted: Ashley Argota, Dillon Lane, Taylor Gray, Greyson Chance, Liz Gillies, Leon Thomas, Drake Bell, Rico & Raini Rodriguez, Gage Golightly, Jasmine V and more!

Greyson Chance debuted his new music video for his single “Unfriend You”. The song is off Greyson’s new album “Hold On ‘Til The Night” which drops in stores August 2nd. The music video also stars Nickelodeon star Ariana Grande.

We’ve seen her perform it live, and we’ve seen her dance rehearsal, but finally Ariana Grande released the audio to her cover of Rhianna’s “Only Girl (In The World)”. Check out the video above to hear Ariana’s 50s-Sock-Hop vibe, with a huge twist!

Ariana Grande, who celebrated her 18th birthday over the weekend, posted this new video of her dance rehearsal! Check out the video above to see Ariana’s moves and hear her version of Rhianna‘s “Only Girl (In The World)”!

Check out this new video with a behind the scenes look into Victorious‘Ariana Grande‘s trip to Myrtle Beach! Look at Ariana’s dance rehearsals, check her out meeting fans and of course hear her belt out her cover of Rhianna‘s “Only Girl In The World”.

Here’s a video of an 8 year old Ariana Grande singing the National Anthem at the Florida Panthers Hockey Game. Looks like this Victorious star always had some singing chops!

It’s romance and revenge at the wildest party ever! Nickelodeon, the number-one entertainment brand for kids, will unite the casts of mega-hit iCarly and Victorious for an epic 90-minute, primetime TV event, “iParty with Victorious,” on Saturday, June 11, at 8 p.m. (ET/PT). Leading up to the premiere, Nickelodeon will air daily themed “iParty with…” three-hour marathons of popular iCarly and Victorious episodes beginning Monday, June 6, at 4 p.m. (ET/PT). “iParty with Victorious” will encore Sunday, June 12, at 7 p.m. (ET/PT).

“iParty with Victorious” brings the casts of Nick’s hit series iCarly and Victorious together for the first time ever and guest stars Nickelodeon alumnus Kenan Thompson (Saturday Night Live, All That, Kenan & Kel) as himself. One cheating boyfriend, plus two scorned girlfriends, equals a night to remember as Carly and Tori plot sweet revenge while the rest of the iCarly and Hollywood Arts gang compete in a lyrical rap battle royale. The television event culminates in an ensemble performance of the theme song mash-up, “Leave It All to Shine,” which will be available on iTunes beginning Tuesday, June 7.

This Thursday there’s a live concert for a future Soundcheck (premiering in July) with the cast of Nickelodeon’s Victorious in L.A. Fans are welcome to RSVP to the show and minors must have an adult parent/guardian accompany them. Names will be checked at the door. To get tickets and RSVP to the event, click HERE.

Ariana Grande posted this brand new video of her rehearsing for her show in Myrtle Beach! She looks and sounds awesome! Check out the video above.