CHICAGO (CBS) — If you were a star in one of the world’s most popular boy bands and could celebrate your 21st birthday anywhere in the world, where would it be? Chicago, of course!

One Direction is playing tonight at Soldier Field, home of the Chicago Bears, as part of their We Are World Tour. It also happens to be Liam Payne’s birthday, and his parents Geoff and Karen Payne are flying in for the special occasion.

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(Photo by Ian Gavan/Getty Images)

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Weather and traffic for the One Direction concert tonight could get a little tricky. CBS 2’s Megan Glaros and Derrick Young share the scoop on possible rain and holiday congestion as we head into the evening.

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Happy Birthday from Chicago, Liam! We’re glad you’re celebrating your big day with us.