Itโs been quite a year for dad-to-be Prince Harry.
Between marrying Meghan Markle, announcing their exciting pregnancy news and embarking on an intensive 16-day Royal Tour of Australia and the Pacific, youโd be forgiven for not realising Prince Harry actually hasnโt had a drop of alcohol in three months.
According to sources, the former party boy has has swapped the boozy nights out for quiet nights in with his pregnant wife.
โMeghan obviously cannot drink during her pregnancy and Harry wants to be there to support her,โ an insider told The Sun of the sober royal.
โWhen they are in London, they have been spending more nights in together as he cannot go out drinking with friends like he used to.โ
Over the years, the 34-year-old earned the party prince reputation after several high-profile scandals, most notably his strip billiards run-in in Las Vegas in 2012.
WATCH: How the Royal Family reacted to Prince Harry and Duchess Meghanโs pregnancy announcement. Post continuesโฆ

As Meghan commences her pregnancy journey, Prince Harry is reportedly staying off the booze in solidarity with his wife.(Image: Getty Images)
But since marrying 37-year-old Meghan Markle, Harry has settled into married life and is said to be taking his role of father-to-be very seriously.
The last time Harry and Meghan were seen enjoying a tipple was during their royal tour of Dublin in July.
Itโs believed the Duchess found out she was expecting shortly after this trip.
In the past, foodie Megs has admitted to enjoying the occasional drink here or there. In fact, her now defunct blog The Tig was named in tribute to her favourite red wine, Tignanello.
โOf course, Iโm going to have that glass of wine โ itโs delicious and I enjoy it,โ she explained in a 2015 interview.
โDo the things you enjoy within reason. Know your body and what works for you and youโll be fine.โ
READ NEXT: A brief history on how Prince Harry went from bad boy to Meghan Markleโs husband

The last hurrah! Meghan and Harry were last seen with a drink in hand back in July. (Image: Getty Images)
And thatโs not the only guilty pleasure Harryโs ditched.
The New York Daily News claims Meghan has convinced her man to quit smoking for good.
โOne of the reasons she got him to quit smoking is because smoking affects sperm production,โ an insider explained to the publication.
Instead of wandering home as the sun comes up, Harry now hits the exclusive KX private members health club in Chelsea first thing most mornings.
His new lifestyle is clearly paying off with the former military man shedding an impressive 4.5 kilos since December last year.

His dirty habitโs gone up in smoke. (Image: Rex by Shutterstock)