News Watch Ariana Grande Kiss Her 'Victorious' Costar Liz Gillies By Jackie Willis 12:50 PM PDT, October 6, 2015 This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. 14:39Ariana Grande Kisses Her 'Victorious' Co-Star Elizabeth Gillies …01:20'Mayor of Kingstown' Finale Sneak Peek: Jeremy Renner Gets Into …10:42‘Darcey & Stacey’: Darcey and Stacey Dish on Season 3 and Darcey…04:24'Euphoria' Cast on Their Close Bond Amid a 'Chaotic' Season 2 (E…01:09Remembering Sidney Poitier: Viola Davis, Barack Obama & More Pay…06:45'90 Day Fiancé': Loren and Alexei on Their New Spinoff and Son A…11:30How Lady Gaga Is Approaching New Projects After 'House of Gucci'…02:10Oliver Hudson Gives Behind-the-Scenes Look at ‘The Cleaning Lady…01:28'Wipeout' Contestants Fight Their Way Through Obstacle Course to…07:43How John Cena Brought a Likeability Factor to His ‘Peacemaker’ C…03:29‘Yellowjackets’: Everything to Know Before Season 1 Finale01:00Oscars 2022: Who Will Host?01:22'This Is Us' Sneak Peek: Jack Is Worried His Kids Will Forget Hi…03:34Watch Cardi B's Morning Routine With Kulture and Newborn Son02:44How ‘Blossom’ Cast Reunion Came About on ‘Call Me Kat’ Season 2 …03:44Adrienne Houghton Gives an Inside Look at ‘I Can See Your Voice’…08:52Jessica Chastain on ‘Zero Dark Thirty’ 10 Years Later and PSIFA …04:15Kim Kardashian and Pete Davidson Spotted Together on Bahamas Get…03:04Cardi B Shares Adorable Video of Offset Cradling Son Ariana Grande gets pretty giddy in one of her latest Instagram videos. The "Problem" singer was hanging out with her former Victorious costar, Liz Gillies, when the two decided to share a silly smooch. The kiss led Grande to immediately squeal with laughter. WATCH: Ariana Grande Makes TV Apology for Donut-Licking Fiasco -- 'My Behavior Was Very Offensive'"My favorite video of all time @lizgillz," the 22-year-old pop star Instagrammed. "P.S. This was totally posted by accident." View this post on InstagramA post shared by Ariana Grande (@arianagrande)On Tuesday, Grande took to Twitter to further explain how she accidentally posted the video. MORE: EXCLUSIVE! Ariana Grande Confesses Her Celebrity Crush"I WAS EDITING IT IN INSTA TO SEND TO HER AND IT POSTED ACCIDENTALLY BUT ITS GREAT SO WHATEVER," she tweeted. "HAHHAHAHA @LIZGILLIES OOPS."HAHHAHAHA @LIZGILLIES OOPS — Ariana Grande (@ArianaGrande) October 6, 2015While Grande and Gillies had a mini Victorious reunion of their own, the former show's star, Victoria Justice, wasn't so sure about reuniting with her former Disney costar."I think we're kind of both on our own separate paths right now," Justice responded when asked by ET if she'd ever work with Grande again. "I've been more focused on acting and she's doing her singing thing and doing awesome." WATCH: Ariana Grande Ditches Her Signature Ponytail! Would you like to see a full-on Victorious reunion?Victoria Justice on Working with Ariana Grande Again: 'I Think We're Both Kind Of On Our Own Separate Paths' This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.