Miley Cyrus is back in the studio with the one and only Pharrell as he posted a picture of him with his ‘little sis.’ What really got our attention though is the Chanel bomber jacket Miles is wearing. The jacket is 80s gold, as it’s covered with a retro Chanel chain motif. Seriously good stuff.

Today Jessie J’s new music video landed and it had a super surprise – a cameo from Jourdan Dunn. The model dances along with Jessie in ‘It’s My Party,’ and of course HAD to share a still from the vid on Instagram.

Amanda Seyfried is on a furious promo tour for Lovelace, which means she has to do a lot of live TV. She has been posting several worried selfies on her Instagram account, and yesterday did a cute as a button ‘nerves’ face before going on US talk show Jimmy Fallon. Elswhere on Instagram Henry Holland got an actual hipster nana to model his Nana Rave collection. She has flowing silver locks and knows how to take a killer Instagram.

In other news Rihanna is back in a bikini on Instagram, as she continues to document her whole time spent on a sunlounger in Barbados. We love the lilac floral halter Rodarte swimsuit, but are a tad less keen on the gun grill she had in her mouth. Yep that’s right, always one to shock Rihanna wore a gold gun over her front teeth.

Rita Ora has got a whole lot tougher as she stepped into the boxing ring with heavyweight champion David Haye. She still manages to look sassy when giving a killer left hook, as she shows off her impressive abs in a Nike sports bra.

Click through the gallery to see the best celebrity pics on Instagram today and watch Jourdan Dunn in Jessie J’s ‘It’s My Party’…