Lamar Odom's estranged wife shared a fun pic of her and her gal-pals partying on Instagram, writing, "NYE @theeforevermalika @kyliejenner."
In the photo collage, Khloe, Malika and Kylie wear sparkly festive "Happy New Year!" hats and "2014" glasses while striking sexy poses.
Perry played a private show at Caesars Palace before partying the night away with pals at Fizz Las Vegas champagne bar. "The entire group seemed to be having a blast. It was like their own private house party," a source tells us of their group. During the festivities at Fizz, Perry even uncorked a $40,000 six-liter bottle of Dom Perignon champagne!
Perry tweeted to fans, "If I forget to tell you Happy New Year just know I had a really great time tonight!" while Mayer shared an adorable pic of Perry holding the giant bottle of Dom Perignon champagne on her head with the simple caption, "Happy New Year."
In other celebrity couples New Year's Eve news, recently rehabbed Chris Brown rang in 2014 with some graphic PDA with girlfriend Karreuche Tran. Tran posted a photo on Instagram in which she sucks on Brown's tongue, writing, "Getting chrae on New Years Day haha #Corny #Ha #HappyNewYears."
Niall Horan also celebrated NYE with his lady, model Barbara Palvin. The One Direction singer and his gal attended the Gary Barlow concert in London, where they enjoyed a musical date night together. Horan tweeted on New Year's Day, "Happy new year ! thank you for an incredible 2013 , let's make 2014 the best yet ! Love you."
Last but not least, Honey Boo Boo and Mama June made a surprise appearance at the annual Carrollton Menu Possum Drop in Tallapossa, Georgia, a source tells E! News.
They were filming their show nearby and stopped by the annual New Year's Eve celebration where they took photos with guests and enjoyed watching the possum drop.
—Reporting by Senta Scarborough