But if England do reach the final then they will have done so without beating any of the world's top 13 teams, a feat only previously achieved in recent history by this year's confirmed finalists France in 1998.
While Southgate's waistcoat accumulates national attention, another item worn by the Three Lions boss has been credited with bringing luck to the team in Russian Federation.
Kieran Trippier of England celebrates with team mate Harry Kane after scoring his team's first goal during the 2018 FIFA World Cup Russia Semi Final match between England and Croatia at Luzhniki Stadium on July 11, 2018 in Moscow, Russia.
Football fever has completely gripped the nation..
Croatia's 3-0 win over Argentina in the group stage was a clear signal that the team led by midfield maestro Luka Modric was a real threat with their clever passing and movement.
"We played extremely well in the first half, given the size of the game, and I was really pleased with the way we controlled possession", Southgate said. "It has a slightly different feel for me, but it's nice to hear people enjoying it again", Southgate said. "I'll go even if England don't make it, the atmosphere will be great".
Vrsaljko, who plays for Atletico Madrid, had struggled to be ready for the match after playing in two previous extra-time matches, but he found the strength to lift his exhausted, battered team to a comeback win.
He said: "Well, I think I've said this before, but I was not a renowned fashion icon throughout my playing career, so it's rather odd to feel that way now".
Bank of Canada delivers another hike, key interest rate rises to 1.5%
Consumer price inflation is expected to edge up to 2.5 per cent before returning to around 2 per cent by the second half of 2019. CPI and the Bank's core measures of inflation remain near 2 per cent, consistent with an economy operating close to capacity.
But not everyone from Bournemouth will be rooting for Harry Kane, Harry Maguire and Jordan Henderson. Croatia has never advanced to the championship match.
When England don't have the ball, they struggle against teams who are comfortable with it.
"I've been to lots of failures and I thought this was the time".
"I've got the utmost respect for him - he's been banging goals in for Spurs for several seasons - but he's not alone, his team-mates play at top clubs, so it will be hard". It's a tough one but I've got to go with my roots and support the Croatian boys.
A day after France advanced to Sunday's final in Moscow with a 1-0 victory over Belgium, the focus of the tournament is now turning to the other semi-final game, England against Croatia in Moscow. "I think France will win the title".
Croatia fans in NZ party at fulltime.