In October 2011, commuter Lisa-Marie O'Keeffe was excited to spot a familiar face on the Tube. Rihanna was on her way to a gig at the o2. She said the star was telling excited fans to "hold on tight" and was "being very motherly".
Another commuter, Adrienne Amando, said Rihanna was with her minders and manager, saying "she was so gracious and so humble and so lovely, it was wonderful"
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Police said they are "extremely concerned" for the welfare of a "vulnerable" mother and her two children who have gone missing in Bexley.
It is hoped the 7,400-mile journey will become a cost-efficient and time-saving way of transporting trade between China and the UK.
The Supreme Court is set to decide on whether disabled travellers are legally entitled to have priority use of wheelchair spaces on buses.