Can't-Miss Celebrity Pics!

Demi Lovato brought her concert tour to London's O2 Arena on Friday.

Drew Barrymore looked like she was in high spirits in LA on Thanksgiving.

Kylie Jenner paid it forward at the Los Angeles Mission and Anne Douglas Center's Thanksgiving Meal For the Homeless on Wednesday.

Naomi Campbell and Idris Elba stepped out for the Fashion For Relief launch party in London on Thursday.

Nicole Kidman popped up at the Agon TV channel's launch party in Milan on Wednesday.

Robbie Amell was in costume on the set of The Flash in Vancouver on Wednesday.

Salma Hayek was fresh-faced at the Stella McCartney's holiday part at her Bruton Street store in London on Wednesday.

Khloé Kardashian got ready for Thanksgiving with a trip to the gym in LA on Wednesday.

Ellen Page took a stroll in LA on Wednesday.

Jessica Chastain attended an NYC screening of A Most Violent Year on Tuesday night.

Gwen Stefani was all about the black and white on Wednesday in LA.

Angelina Jolie gave a wave at the UK premiere of Unbroken on Tuesday evening.

Damian Lewis got a special distinction as Officer of the Order of the British Empire in England on Wednesday.

Katy Perry turned up the glamour at Wednesday's ARIA Awards in Sydney, Australia.

Emma Stone and Andrew Garfield held hands in NYC on Tuesday.

One Direction's Niall Horan gave a thumbs-up as he landed in Sydney, Australia, on Tuesday.

Kate Middleton attended Tuesday's launch of East Anglia's Children's Hospices Appeal in Norwich, England.

Amanda Seyfried took her pup for a walk on Tuesday in NYC.

Mila Kunis stepped out for a Tuesday shopping trip in LA.

Eddie Redmayne continued to promote The Theory of Everything on Monday in Munich, Germany.

Amal Alamuddin traveled in style at Heathrow Airport on Monday in London.

For Lady Gaga, it was just another Monday night in Paris.

Queen Letizia of Spain attended an anniversary event on Monday in Madrid.

Sarah Jessica Parker was well prepared for the NYC weather on Monday.

Poppy Delevingne was the epitome of glamour and modesty at a London launch event on Monday.

Kristen Bell covered up her baby bump on the LA set of House of Lies on Monday.

Angelina Jolie dazzled at a photocall for her movie Unbroken in Berlin on Thursday.