Tom Cruise paid tribute to his late Top Gun co-star Val Kilmer last night (April 3), who died earlier this week, aged 65.Kilmer passed away on Tuesday (April 1) after a battle with pneumonia, as confirmed by his daughter Mercedes. He had been diagnosed with throat cancer in 2014, but later made a recovery.Honouring his friend at CinemaCon at Caesars Palace in Las Vegas, which he attended to promote Mission: Impossible – The Final Reckoning, Cruise asked the crowd to join him in a moment of silence for Kilmer.“I’d like to honour a dear friend of mine, Val Kilmer,” he said.