SOMERVILLE, NJ - Mannion's Irish Pub and Restaurant will be celebrating its 20th anniversary Saturday, Nov. 2 with a full slate of Irish entertainment including step dancers and bagpipers but the highlight of the night promises to be a "selfie" on every head of Guinness drawn by bartenders between 8-10 p.m.

The technology for the "pint to remember" was perfected by Guinness Brewery in Dublin, Ireland, where guests have marveled over staring back at their photo while savoring their Guinness.

The "Stoutie" uses technology to add extra malt to the top of each pint to create the selfie.

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Owner Pat Mannion estimates he and his bartenders over the years have served 350,000 pints of Guinness, and will begin work on the next 350,000 black-and-white stouts beginning at 11:30 a.m. and throughout the day.

A full menu will be available.

Here's the schedule of events:

7 p.m., Irish step dancers;

7:30 p.m., bagpipers;

8 p.m. Irish music with the Michael Craig Band;

8-10 p.m., Guinness "Stoutie" promotion with the Guinness Girls and giveaways;

8-10 p.m. Jameson promotion with the Jameson Girls and free t-shirts.

The first 150 people will receive a free black-and-gold commemorative Mannion's 20th Anniversary t-shirt beginning at 7 p.m.

Mannion's is located at 150 West Main St.

Further information is available online at mannionsirishpub.com or by calling (908) 203-0700.