Lily Allen appears to have changed her name to Lily Cooper, adopting her new husband's surname.
The 26-year-old singer and fashion designer married Sam Cooper at the weekend and has now changed the name on her Twitter profile from Lily Rose Allen to Mrs LR Cooper.
The couple tied the knot at St James the Great Church in Cranham, near Stroud, in Gloucestershire on Saturday.
She tweeted: "I had the most amazing wedding, thank you to everyone who went to such extraordinary efforts to make it that way."
It was revealed on her wedding day that the Smile singer is pregnant as she was photographed with a visible bump beneath her lace custom-made vintage-style dress.
The couple are reportedly to attend the Glastonbury festival later this month. They first met at the festival in 2009 and are said to be planning to share luxury teepees with friends and family.
Glastonbury organiser Michael Eavis has said: "I'll set her up a special tent - she'll have the best treatment."
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