Brunette star Dakota Johnson joined a friend for a coffee break in the West Hollywood area. Dakota Johnson and boyfriend Chris Martin sparked pregnancy rumors after a ton of celebrities arrived at the singer’s Malibu house for what appeared to be a lavish ‘baby gender reveal party’ on Sunday. Julia Roberts and Sean Penn were among the A-list guests pictured arriving at Chris’ Malibu pad, as well as Dakota’s parents Don Johnson and Melanie Griffith. A source insisted to MailOnline that Dakota is not pregnant, while a representative confirmed she was hosting a birthday party, after turning 29 on October 4.