Lovato: I've loved London trip
Demi Lovato has thanked her UK fans for "the best trip to London I've ever had".
The singer was in the capital this week to promote her new album Unbroken, and managed to find some time for some sightseeing and shopping.
Demi was snapped checking out Buckingham Palace, the House of Commons and Piccadilly Circus. She also checked out Topshop and described it as the "best clothing store ever".
The singer and actress told Twitter followers: "This, by far, has been the best trip to London I've ever had. Thank you guys for growing with me and always supporting my work. I love you!"
Demi also posted a video of fans singing along to her song Skyscraper at a record signing and said: "Listen to the beautiful voices of my amazing English fans... Seriously this makes me cry, thank you guys."
The Camp Rock star - who sought treatment in 2010 as she was battling bulimia and bipolar disorder - recently discussed her stint in rehab in MTV show Demi Lovato: Stay Strong.
The documentary earned Demi a famous British fan, as Cheryl Cole tweeted: "I have just watched your Stay Strong doc and felt compelled to say I think you're so strong, brave and beautiful inside and out."
Demi replied to the Girls Aloud star: "Wow! Thank you so much.. I admire you too!! That means so much to me. Thank you Cheryl, hope to meet you some day!"