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"Foxes has described Doctor Who&amp;#039;s Peter Capaldi as a &amp;quot;silver fox&amp;quot;. The singer-songwriter, who will guest star on the BBC One show, told The Daily Star that Capaldi was &amp;quot;lovely&amp;quot; to work with.    &amp;quot;I know I&amp;#039;m biased, but I like that he&amp;#039;s a charming silver fox,&amp;quot; she said. &amp;quot;Sod it, he was lovely.&amp;quot; Foxes added that she would not have taken the role if it did not involve singing. She said: &amp;quot;It&amp;#039;s more singing than acting, that&amp;#039;s why I&amp;#039;m doing it. Acting isn&amp;#039;t something I thought I would get into.&amp;quot; Foxes previously described the song she recorded for the series as &amp;quot;different&amp;quot; from her previous material. Doctor Who will return with a feature-length episode on Saturday, August 23 on BBC One in the UK and BBC America in the US. Watch a trailer below:      "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/doctor-who/news/a588132/doctor-who-guest-star-foxes-peter-capaldi-is-a-charming-silver-fox/>