Abba reunite in London for first time in 40 years and my, my, just how much we’ve missed them!

Abba are finally all back together after 40 years apart (Picture: Getty)Abba finally reunited in London in full for the first time in 40 years for the Abba Voyage red carpet on Thursday night.Benny Andersson, Anni-Frid Lyngstad, Agnetha Fältskog, and Björn Ulvaeus smiled for cameras as they posed altogether ahead of kicking off their hotly anticipated hologram tour.The Swedish pop superstars were last together in the capital for an appearance on The Late Late Breakfast show hosted with