New Delhi, March 17 -- Kanye West and Kim Kardashian are in a heated dispute over the rapper's latest song, Lonely Roads Still Go to Sunshine, which allegedly features their 11-year-old daughter, North West. The track also includes Sean "Diddy" Combs, and its release has sparked a legal battle between the former couple.

Kardashian, 44, reportedly attempted to prevent North's involvement by citing trademark rights over her daughter's name. In text messages allegedly exchanged between the two, West accused Kardashian of interfering with his music.

"I'm never speaking to you again," West, 47, texted Kardashian, according to TMZ.

Kardashian defended her decision, saying that she had legally secured the trademarks for all their children's n...