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Emma Watson has visited Uruguay to encourage more women to get involvedin politics, as the star praised her role as UN Women Goodwill Ambassador in giving herthe chance to do something she loves.

The Harry Potter actress told reporters at the conference that she's"excited to start my work" and that she was passionate about the initiative.

Elsewhere, Ariana Grande as hit back at critics claiming she is a diva with a series of tweets and Jennifer Lopez chats about her new video 'Booty'.

Check it out here in our MTV News Bulletin...