United Kingdom, Jan. 26 -- Tom Parker's widow is pregnant.

The Wanted singer passed away in March 22 after battling a brain tumour and though Kelsey Parker is "excited" to be expecting a baby with boyfriemd Will Lindsay, the 33-year-old beauty - who already has Aurelia, five, and four-year-old Bodhi with her late spouse - admitted the news is "bittersweet" because life could have been so different.

She told Britain's OK! magazine: "Tom and I always said we wanted four-but life had other plans.

"So yes, this is amazing but also bittersweet. The joys of finding out I'm pregnant and moving forward with my life, while thinking, 'My life could have been so different.'

"I've felt every emotion under the sun. I'm still getting my head around...