He had a successful career as a crooner - with two number ones - before he became a broadcaster.
She began her five-decade career in 1963 with two number one singles: Anyone Who Had a Heart and You're My World.
The battle of the two number No10s will depend on where they are fed the ball and how they react to the pressure.
The following year was his most successful, with two number ones, including I'm The Leader of The Gang (I Am), which became his anthem.
By the Wimbledon finals, it will have consumed her totally, dooming her to a life spent pacing around the corridors of Wimbledon's Gatsby Club covered in tattered robes and self-administered tattoos, growling "Number two, number two, number two" to herself with her eyes rolled back into her head.
The 23-year-old has had two number one singles, with her debut album Mama Do selling over 1.5 million copies in 2009.
Sebastian has released eight top ten albums including two number ones, but Australians were hoping for a bigger name to represent them at the singing contest in May.
During this period, the department store has set the benchmark for festive marketing campaigns – attracting tens of millions of views online, turning bears, hares and penguins into cuddly toys and generating two number one singles in the UK music charts.
"Senator Bennett apparently had a fight in his caucus over the Senate Republican majority leader position so they settled for two Number Two's and called them co-caucus leaders," he said.
