Nikki O'Neil is one of Barbie's best friends. She's a smart, sassy and fun girl to be around, and a great friend - loyalty is one of her great traits, and she'll always defend her friends. Nikki is also very creative and loves working on her vlog, taking pictures, acting, dancing and DJing! #nikki #nikkioneil #barbie #barbiedoll #kelseymalibubarbie