The singer, who is expecting her second child with husband Kevin Federline, says she can't stop crunching ice cubes since conceiving again.
She said: "I think I have elephant teeth or something. I love it." While Britney was pregnant with first child Sean Preston, Kevin revealed his spouse developed the classic craving of pickles mixed with ice cream.
The 'Toxic' singer allegedly gained a massive 51 pounds when she was expecting her son.
Britney's weight ballooned from an estimated 119lbs to a massive 170lbs and the pop superstar was repeatedly spotted gorging on fried chicken and calorific milkshakes in the final stages of her pregnancy.
The now 25-year-old star was a regular at popular Los Angeles fast food restaurant Koo Koo Roo and developed a taste for the eatery's speciality 'chillatos' - an ice-cream loaded shake.