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Want the secret to staying trim?
Well, according to Britney Spears it's running after children and a bit of dance.
Britney is a mum of two, sons Sean Preston, five, and four-year-old Jayden James from her marriage to Kevin Federline.
She said: "How do I keep slim? Having two boys definitely helps, and I love to dance. It's the best way to stay in shape."
But like any woman Britney enjoys some pampering, "I love treating myself to a spa day. Massages are my favourite."
The singer is due to have a new album out next years. Discussing her make-up regime Spears said, "Sometimes I keep it simple and don't wear much make-up - just a little mascara and lipgloss. Other times, I'll play around and do heavier make-up or some fun lipstick."