The 28-year-old star has daughters Ethel, two, and 10-month-old Marnie, with husband Sam Cooper, reported Contactmusic.
"I generally try to get back at 4 or 5pm and do dinner and bath time and the things that normal mums do," Allen said.
The 'Smile' hitmaker said after the birth of Marnie, it took some time for her to connect to herself.
"It wasn't until I stopped breastfeeding that I started to connect with myself again. It was much harder than in the past," she said.