Gwyneth Paltrow is celebrating a major professional milestone and posed in a bikini to make the announcement to her fans.MORE: Gwyneth Paltrow's minimalist homes with husband Brad Falchuk revealedThe mother-of-two shared a picture of herself at the beach, wearing a striped bikini and looking towards the ocean, before revealing that her Goop team is doing something pretty special next year. WATCH: Gwyneth Patlrow Shares Look Inside Her Marble Kitchen"I am always happiest by, in or on the sea! In