KEY POINTS:
Kylie Minoguetook some time out on the set of Doctor Who to comfort star David Tennant over the recent death of his mother from cancer.
The pop star, who is filming a Christmas special with Tennant, told her co-star she understood what he was going through.
"Kylie was really sympathetic," an on-set source said. "She knows how terrible cancer is and she took a lot of care to comfort David."
