Conor McGregor is at Longitude celebrating his 30th birthday (and it looks like fun)

He only just announced that he is expecting his second child with his long-term partner.

But Conor McGregor understandably left pregnant Dee Devlin at home while he hit Longitude to mark his 30th birthday.

A post shared by Conor “Notorious” McGregor (@thenotoriousmma_02) on Jul 14, 2018 at 1:01pm PDT

The Dubliner was seen enjoying a beer as he mixed with the festival crowd on Friday – and he happily shared snaps of his day on Instagram (where he has 24m followers) on Saturday evening.

A post shared by Conor “Notorious” McGregor (@thenotoriousmma_02) on Jul 14, 2018 at 11:28am PDT

Conor seemed to have an area beside the main stage cornered off for him and his mates, which is to be expected considering he was mobbed by fans while walking among the crowds earlier in the day.

A post shared by Conor McGregor Official (@thenotoriousmma) on Jul 14, 2018 at 12:53pm PDT

He was at least accompanied at all times by some pretty serious-looking security guys.

A post shared by MMA SINCERO (@mma_sincero) on Jul 14, 2018 at 2:06pm PDT

Conor is evidently a fan of a summer festival in his native city; he was at Forbidden Fruit last month too.

A post shared by CONOR MCGREGOR (@dublin_ir) on Jul 14, 2018 at 1:10pm PDT

Also on Saturday, Dee Devlin confirmed that she and Conor are expecting their second child. On Insta she wrote: