Christina Aguilera gave fans a rare look at son Max, 16, who she coparents with ex-husband Jordan Bratman, and daughter Summer, 10, who shares with fiancé of 10 years Matt Rutler.
The 43-year-old and Matt—who met on the set of 2010's Burlesque and confirmed their engagement in 2014—recently celebrated Summer's 10th birthday, with her dad sharing a special tribute to his ...