Christina Aguilera is giving fans a rare look into ... including some quality time with her fiancé, Matthew Rutler, 16-year-old son Max and 10-year-old daughter Summer. She captioned the post ...

Christina Aguilera is a proud mom of two children ... 10, and her fiancé Matt Rutler, 39. In one family snapshot, Max already appears to be taller than his mom, who was wearing heels to boost ...