Los Angeles, Aug 18 (IANS) Singer Pink, who is busy juggling between her career and motherhood, shared a photograph of herself pumping breast milk. Making a wide-eyed funny face in a bathroom-mirror selfie, the "So what" singer showed herself pumping breast milk for her eight-month-son. She flaunted her toned abs in the process. "And now this pump up the jams, momb reak," she captioned. In another photograph, the mother of two spent quality time with her little one. The 37-year-old star sat cross-legged on the floor while holding the baby and teasing him with her tongue out. "Mamas multi-tasking," the Grammy winner said. Pink recently dropped a fresh single called "What about us" from her next studio installment "Beautiful trauma". She is expected to perform the song along with medley of her past hit singles at the upcoming 34th annual MTV Video Music Awards.