Fans, who paid up to $450 (£340), complained of a grey convention centre backdrop and a "swag bag" that included only a plastic pouch with a Barbie hand sanitiser.

Devotees who paid $450 for a fun-filled “experience” in Florida last weekend were met with a concrete-floored warehouse and a $1 Barbie-branded hand sanitiser. Could this top the…

Fans, who paid up to $450 (£340), complained of a grey convention centre backdrop and a "swag bag" that included only a plastic pouch with a Barbie hand sanitiser.