The former 'Glee' stars' dazzling musical show will travel across the pond for the first time, kicking off on November 29 at Vicor Street in Dublin, including a stop at London's Hammersmith Eventim Apollo on December 2.
The pair said: ''We loved every minute of the first leg of the 'LM/DC Tour'.
''Each city warmly embraced us with a good time and high energy.
''We have the best fans and when we heard them wanting more, we absolutely wanted to deliver.
''We couldn't be more thrilled to take the LM/DC Tour to Ireland and the UK.''
The run follows a successful tour of North America, which saw Lea, 32 - who was best known for playing student Rachel Berry in 'Glee' - perform tracks from her two records 'Louder' and 'Places' last year.
As for Darren - who portrayed Blaine Anderson in the popular US TV comedy series - he recently released five-track indie EP, 'Homework', his first solo project in over seven years.
The 31-year-old actor-and-singer also performs in the rock pop group Computer Games alongside his brother Chuck Criss, with whom he released their debut EP 'Lost Boys Life' in 2017.
Fans can gain access to the artist pre-sale tickets on September 19 at 10am by visiting LMDCtour.com. Tickets for the general public will go on sale September 21 at 10am local time. Please visit www.LMDCtour.com for all details.
Lea Michele and Darren Criss' 2018 UK tour dates are as follows:
December 1 - Brighton, UK - Brighton Centre
December 2 - London, UK - Eventim Apollo
December 4 - Glasgow, UK - SEC Armadillo
December 5 - Manchester, UK - Manchester Apollo
December 7 - Birmingham, UK - Birmingham Arena
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