LOS ANGELES, June 24 (UPI) -- Christina Aguilera
, whose expecting her second child, posed for an Instagram photo celebrating the first day of summer on Saturday.
"Happy 1st Day of Summer!" she captioned the snap.
Aguilera, 33, is expecting her first child with fiancé Matt Rutler, whom she met on the set of Burlesque. The "Beautiful" singer and Voice coach has a 6-year-old son, Max, with former husband Jordan Bratman.
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