Orlando Bloom and Kate Bosworth have sparked engagement rumours after being spotted in a top London jeweller this weekend.

An onlooker told The Sun, a British tabloid, that “they were picking out engagement rings and she was trying them on. They popped into lots of flash jewellers on New Bond Street. But they were in Bulgari and Van Cleef & Arpels for the longest period.

“They had huge smiles on their faces and were kissing and cuddling.”

Bloom, 28, and Bosworth, 22, have dated on and off since January 2003, when they met while filming an advert for Gap clothing.

Bloom denied engagement rumours in September but has hinted that he will soon be ready for marriage.

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