evidence: It comes after the singer, 83, sparked concern for his health during another turn on the ITV show a few weeks back. The Welsh icon had been judging hopefuls as usual alongside Anne-Marie, Will.I.Am and Olly Murs, as the seventh series continues with people across the nation battling it out on the microphone.But fans were more concerned with a "worrying" mark on his face while he was on stage on the ITV talent show. [...] Another said: "Tears for real! #OneLove #TomJones #SirTomJones... a part of my full-circle moment... timing is everything! #TheVoiceUK #TheVoice." @JohnFearn9 added: "Sir Tom jones, the voice, it hasn't left you mate, what a singer he really is!!." @NClaxton1984 said: "Tom Jones is such a lovely and genuine guy #thevoice @thevoiceuk @NatalieeReeves added: "Think Anne-Marie and Tom Jones should release a version of Stand By Me #TheVoice. And another said: "I love seeing artists from way different gens transcending time together and I hope @RealSirTomJones lives forever. The years haven't touched you Sir Tom, same powerful voice." Last week we reported Tom broke his silence after fans grew concerned about his health.