Clue: Popular song about topless writer's hot love for emperor (8)
Answer: HIROHITO
Explanation: Popular song about topless writer's hot love for emperor (8)

**HIT** ("popular song") *about *[*topless*] (b)**IRO** ("writer") +** H** (Hot) + **O** ("love" in tennis), so** H(IRO-H)IT-O