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Christina Aguilera<\/a> rang in her birthday with some of the most special people in her life — including <\/span>her 9-year-old daughter, Summer Rain<\/a>.<\/span><\/p>\n The pop icon was surprised on her special day with a whole lot of pink balloons, silver streams, and hugs from her little girl.<\/span><\/p>\n Aguilera shared a video montage from the special festivities, in which she posted with her little girl next to some balloon letters spelling out “Happy BDay,” which were set up in a Las Vegas hotel room.<\/span><\/p>\n The birthday girl was then led into a theater venue — presumably the venue at The Venetian, where she will soon <\/span>be kicking off her Las Vegas residency show<\/a> — and was treated to a feast of cake and macaroons, presented by a bevy of dancers.<\/span><\/p>\n “Thank you for all the birthday wishes,” the singer captioned the celebratory post. “Sending love from Vegas.”<\/span><\/p>\n Back in August, Aguilera celebrated Summer’s 9th birthday by sharing several photos of Summer on stage with her during a show.<\/span><\/p>\n “Happy 9th birthday to our sweet Summer Rain,” the “Genie In A Bottle” singer captioned the post. “Today I find myself reflecting on how fast time has gone by. These 9 years have been filled with boundless love, heartwarming hugs, staying up too late, Disney adventures, and most recently, the joy of gracing the stage alongside you.”<\/span><\/p>\n In a majority of the photos, Summer wore black shorts and a black T-shirt that looks like concert merch featuring a photograph of Aguilera on the front. The gallery’s final photo\u00a0showed her behind a drum kit in a white T-shirt.<\/span><\/p>\n “Every day, I thank the universe for gifting me the privilege of being your momma, a role that stands as my ultimate accomplishment,” Aguilera wrote. \u00a0“Witnessing the remarkable young woman you are evolving into fills me with immense pride. Mommy loves you so much!”<\/span><\/p>\n Aguilera shares Summer with\u00a0<\/span>her fianc\u00e9, Matt Rutler<\/a>.\u00a0After nearly four years of dating, Aguilera and Rutler got engaged on Valentine’s Day in 2014 and welcomed a baby girl, Summer Rain Rutler, later that year. Summer is the first child for Rutler, though Aguilera shares 15-year-old son Max Liron with her ex-husband, music producer Jordan Bratman.<\/span><\/p>\n