Dakota Johnson has had to squash rumors that she and boyfriend, Chris Martin from Coldplay, are having a baby. Martin threw his girlfriend a star-studded birthday party in which Melanie Griffin, Don Johnson, Sean Penn and Julia Roberts all attended. The rumors started when photographers spotted the giant display of pink and blue balloons which led to speculation it was a gender reveal party and that Dakota was pregnant. Representatives for Dakota Johnson says she is not pregnant. Read more here.