Trouble in paradise for Kim Kardashian and Kanye West?

Kanye West wants pregnant star Kim Kardashian to change her name to Kim West once they presumably marry."

According to Star, Kardashian said "no way" to taking the rapper's last name, "But she may want their baby to have her name too!"

An "insider" for the tabloid claims, "Kim told him she'll always be a Kardashian," revealing, "Kanye is very disappointed and upset about the whole thing, but Kim is refusing to budge."

"She also thinks it's a way to let him know that she is not after him for his money," adds the alleged "source."