The Carphone Warehouse supported Potts with a series of full-page press ads in the tabloid press over the weekend featuring the strapline: 'Good Luck Paul, from all your mates at the Carphone Operahouse'. The ads were created by Carphone Warehhouse's creative agency of record, CHI & Partners.
The show itself has been sponsored by Rowntree's Fruit Pastilles.
The results instalment of 'Britain's Got Talent' at 10pm was watched by 10.6m viewers, giving it a 44.7% share.
Earlier in the day, ITV1's live coverage of Lewis Hamilton's Formula 1 win in Indianapolis, in only his seventh Grand Prix, helped the channel to dominate Sunday's schedules. Its three hours of coverage, starting at 5pm, drew in 5.2m viewers and a 31.3% share.The semi-final of 'Britain's Got Talent' on Saturday night was watched by an average audience of 8.9m viewers and a 41% share of audience during a 90-minute slot starting at 7.45pm.
The audience marked the eighth consecutive night that the show's viewing figure went up, and it also won its slot against BBC One's 'Casualty'.
'Casualty', in a 45-minute slot starting at 8.15pm, attracted 4.8m viewers and a 22% share.
Friday night's instalment of 'Britain's Got Talent' was watched by an average audience of 8.9m viewers and a 38% share.
On Friday during the same 9pm slot, BBC One's 'Dalziel and Pascoe' drew 4.4m viewers and a 19% share.
Channel 4's 'Big Brother', featuring new entry Jonathan Durden, one of the founders of the media agency PHD and now a partner at Miles Calcraft Briginshaw Duffy, attracted just 3m viewers and a 13% share.
Last year, the series average audience for the 10pm Friday show was double Friday's performance with a 27% share and 5.3m volume.