Celeb Tracker: The 5 Best Photos of the Week

From a Demi doppelganger to a massive Maroon 5 gathering in Atlantic City, here's what a few of your favorite stars were up to this week.

Getty Images
Getty Images
1
Maroon 5
Adam Levine (and his newly shaved head) belts out one of the 17 songs his band Maroon 5 played for nearly 50,000 fans on the Atlantic City beach.
Charley Gallay/Getty Images
Charley Gallay/Getty Images
2
Chrissy Teigen
The model can't help but exercise some selfie action at the release party for the new Samsung Galaxy 6 Edge.
Rachel Murray/Getty
Rachel Murray/Getty
3
Demi Lovato
Even Demi can't believe how real her wax likeness looks at Madame Tussaud's in Hollywood. Her statue was unveiled this week.
Kevin Mazur/Getty Images
Kevin Mazur/Getty Images
4
Christina Aguilera
The diva wowed a Hamptons crowd for the annual Apollo in The Hamptons event.
John Medina/Getty
John Medina/Getty
5
Taylor Swift
The singer continues her parade of celebrity stage guests, this time welcoming Oscar winning actress Julia Roberts and legendary folk singer Joan Baez during her 1989 Tour stop in Santa Clara, CA.