LONDON (Reuters) - British singer Robbie Williams and his partner Ayda are expecting a baby, he said on his website on Friday. Williams, 38, said the baby was expected later this year. "We've seen scans and cried ... looked at babies in commercials and teared up ... the nursery is already planned," he wrote in his official blog, adding that he couldn't wait "to be a daddy". According to British tabloids, Williams, who rose to fame in boy band Take That, married actress Ayda Field at his Beverly Hills home in 2010. ...