From Naomi Watts' holiday romance to Emily Ratajkowski's new 'do

The best A-list Instagrams from the week so far

Karlie Kloss reveals her woman crush

Gwyneth Paltrow's got the glow

Mariah Carey keeps it natural

Kylie Minogue's on the move

Naomi Watts finds love at first sight

Lena Dunham's looking back

Emily Ratajkowski rocks a fringe

Zendaya joins Mario Testino's towel series

Amy Schumer gets it in

Bella Hadid works it for Kendall Jenner

Kristen Bell and Dax Shepard keep it casual

Christina Aguilera raises the flag

Lupita Nyong'o gets the shot

January Jones wears it with pride

Reese Witherspoon teams up with her mini-me

Drew Barrymore celebrates poolside

Jessica Alba makes it a family affair

Eva Longoria's all decked out

Selma Blair throws it back

Lena Dunham works a patriotic mani

Kirsten Dunst celebrates from afar

Elizabeth Banks does it sister style

Sofia Vergara blends in

Naomi Watts gets lucky

Lady Gaga comes to Ed Sheeran's defence

Karlie Kloss and Emily Ratajkowski snap a selfie in Paris

... while Cara Delevingne stays behind the lens

Brooklyn Beckham shouts out to his folks

David Beckham throws it back to a classic

Liv Tyler welcomes her 40s

Madonna makes her debut

Alexa Chung revisits the 90s

Karlie Kloss goes platinum

Selma Blair digs in

Summer comes easily for Lupita Nyong'o

Jessica Biel gets her flex on

David Beckham gets friendly with the locals

Victoria Beckham sits front row with her folks

Gwyneth Paltrow soaks up the sun

Liv Tyler hosts a star-studded birthday weekend...

...Kate Moss strikes an (interesting) pose

...while Liv Tyler celebrates 25 years of friendship

Kim Kardashian takes a seat

Mena Suvari gets a sweet surprise

Elizabeth Banks kicks off festivities

Reese Witherspoon's feeling the pain

Geri Halliwell makes some new pals

Naomie Harris lies low

Poppy Delevingne is pretty in pastels

Nicola Roberts throws it back

Filming takes its toll on Jennifer Lopez

Pink waits it out

From Naomi Watts' holiday romance to Emily Ratajkowski's new 'do: the week's best A-list Instagrams