Zac Efron, The Girl With No Pants & More: Star Sightings 1.22.2016
by Kelly Lynch at . Updated at .Oh look. Zac Efon's friend, Sam Miro appears to have forgotten her trousers.
Elsewhere, Yolanda Foster was looking good as she shopped in Beverly Hills, and Simon Cowell posed with fans ahead of Britain's Got Talent auditions in the UK.
See what else your favorite stars were up to in today's sightings.
1. Zac Efron Heads Into Jimmy Kimmel Live! Studios
Zac Efron arrives for an appearance at Jimmy Kimmel Live! in Hollywood on January 21st, 2016 with Sami Miro.
2. Yolanda Foster Shops in Beverly Hills
Yolanda Foster wears head-to-toe grey as she shops in Beverly Hills on January 21st, 2016.
3. Hilary Duff Stops By Coffee Bean & Tea Leaf
'Younger' star Hilary Duff grabs a coffee from Coffee Bean & Tea Leaf in Los Angeles on January 21st, 2016.
4. Matthew Perry Outside BBC Radio 2 Studios
Matthew Perry signs autographs outside BBC Radio 2 Studios in London on January 22nd, 2016.
5. Khloe Kardashian Shares a 2007 Flashback Photo
Khloe Kardashian shared side-by-side of herself with Kim Kardashian in 2007 (left) and the two sisters present day.
6. Joe Jonas and DNC: CTV The Social Talk Show Appearance
Joe Jonas and his band, DNCE appear On CTV's The Social talkshow in Toronto, Canada on January 21st, 2016.
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