The US star was pictured in New York and appeared to be deliberately tugging at her grey jumper, which sported the word 'LOVED'.
In February, whispers began circulating that Christina - who already has a son from her previous marriage - is expecting her first baby with her fiancé Matthew Rutler.
The following month, Christina reportedly announced that she was expecting a baby girl during her concert in Malaysia, reported American magazine People.
Last week, Christina joined Matthew in celebrating his birthday and together they posed for a cute picture.
The couple were out at dinner when the photograph was taken and Christina gave us all a good flash of her whopping engagement ring.
Singer Christina and film producer Matthew got engaged on Valentine's Day this year.
More couples who have got engaged in 2014:
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