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Robbie Williams has urged his fans to roast Liam Gallagher on Twitter - in yet another round of the pair's decades-long feud.
The singer, 45, is said to have lashed out at the ex-Oasis frontman during a concert at the Encore Theater in Las Vegas on Saturday.
Night - Live - Las - Vegas - Residency
On the last night of his Live in Las Vegas residency, the Sun reported he said: 'If you have enjoyed the show, I have been Robbie Williams.
'And if you haven't and you are upset about anything, I have been Liam Gallagher.
Fact - Hashtag - LiamGallagher - Tonight
'In fact, if you want to start a hashtag, you can put "#LiamGallagher was s*** tonight", if you want.'
The X Factor judge's cheeky dig is the latest in a lengthy feud between the two stars which dates back two decades.
Liam - Robbie - Firm - Oasis - Star
But Liam, 46, and Robbie did start off as firm friends, having partied with the Oasis star's brother Noel at Glastonbury in 1995.
Robbie then famously fell out with the brothers, after Noel, 50, described him as 'that fat dancer from Take That.'
Blood - Robbie - Liam - Boxing - Match
And the bad blood continued in 2000, when Robbie challenged Liam to a televised boxing match during the Brit Awards.
Fast-forward to July 2011, and Robbie was clearly...
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