The new Cabinet has been officially appointed by President Michael D Higgins.
Ministers earlier arrived at Áras an Uachtaráin to receive their seals of office.
This followed a Cabinet re-shuffle under Taoiseach Leo Varadkar, who was installed earlier following a Dáil vote.
The Cabinet itself was much-unchanged, with several high-profile portfolios remaining where they are.
There were no fresh faces with just a swapping of some ministries.
This includes Micheál Martin taking up Foreign Affairs and Defence, and Simon Coveney becoming Enterprise, Trade and Employment Minister.
Helen McEntee is to be Minister Without Portfolio, with Simon Harris taking on the Justice portfolio while she is on maternity leave.
Minister Harris will also remain in his Higher Education role.
Senior Counsel Rossa Fanning is the new Attorney-General.
A tweaking of some government departments was also announced.
The Department of Public Expenditure and Reform, now under Paschal Donohoe, has become the Department of Public Expenditure, National Development Plan Delivery and Reform.
The junior ministerial line-up will not be confirmed until next Tuesday.
The Cabinet held its first meeting in Áras an Uachtaráin on Friday evening.
Additional reporting: Ellen Butler