's incredible net worth is matched by just one winner, who is perhaps the most famous of all. The former tennis star was heavily mentioned during the first semi-final, fuelling rumours that he could make an appearance at the grand final on Saturday. At one point, the presenters debated if Federer was 'the most Swiss thing to come out of Switzerland'.
Later in the evening, pillows with Federer's face etched on them were handed out to participating artists. Only time will tell if the 43-year-old will be involved when the main Eurovision show takes place this weekend. It will be staged in Basel following Switzerland's victory in 2024, their third triumph in history and their first since 1988.

Federer is one of the most famous faces on the planet, having established himself as a household name before retiring from tennis in 2022. He earned millions of pounds throughout his career, with most of his fortune coming from prize money and brand deals.
It has led to Federer boasting a huge net worth of around £413.8million, according to , making him one of the world's richest athletes. It also makes him richer than any Eurovision winner, past or present, apart from just one.
Celine Dion is the only performer who can hold a candle to Federer, with the 57-year-old's net worth estimated to be nearly identical. She gained her big break at Eurovision, winning for Switzerland in 1988, before emerging as a global pop icon.
The next richest Eurovision stars are believed to be ABBA, who won the competition in 1974 with the song Waterloo. According to Insider Media, each member of the group is thought to be worth somewhere between £149m and £224m.
Federer, meanwhile, is a huge music fan and has been known to make cameo appearances at shows in the past. Two years ago, he joined Coldplay on stage during a gig in Zurich and was jokingly introduced as a former member of the band.
It remains to be seen if he will be in attendance on Saturday when this year's Eurovision winner is crowned. Sweden are the early favourites with a 21-point percentage gap over Austria, with France also in the running to claim the grand prize.
Remember Monday will represent the United Kingdom and have already qualified for the final as one of the 'big five' countries. The all-female country pop trio, who previously appeared on The Voice, will perform their song What The Hell Just Happened.
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