New Delhi, August 18 (ANI): Christina Aguilera has given birth to her second child, this time a baby girl. The 33-year-old singer, who already has a 6-year-old son, Max, from her previous marriage to Jordan Bratman, welcomed her first baby with fiance Matt Rutler a leading web portal reported. Aguilera had first met Rutler, who's a production assistant, while filming for 'Burlesque' back in 2010 and the duo had announced their engagement in February 2014, at which time, the 'Feel This Moment' star was already expecting.