Mattel has revealed a LeBron James Kenbassador doll that's a part of its Barbie Signature range, available to buy from April 14.

Following is a transcript of the video. Ken: Hiya, Barbie! Barbie: Hi, Ken! You're looking unrealistically thin today! Ken: Funny, I was going to say the same about you. Narrator: Barbie is one of ...