You know what they say about twins: twice as nice! Double the fun! Two is better than one! And these celebrity parents know it, as moms and dads to twins, both of the fraternal and identical variety.
Having twins, as Beyoncé and Jay Z are about to find out, can be tough with double the work of just one new baby. But, with double the work comes double the reward, fun, and irresistible baby love. Plus, there's all the adorable matching outfits as they grow up together. Who doesn't love a set of matching onesies?!
VIDEO: Blue Ivy Carter Is #Flawless Meeting Mariah Carey's Twins
From Neil Patrick Harris and David Burtka's spirited 6-year-olds, Harper and Gideon, to Jennifer Lopez's carbon copy 8-year-old daughter and 8-year-old son (he looks exactly like his dad, Marc Anthony!), there's no shortage of twinning inspiration from your favorite Hollywood stars.
Scroll down to take a look at some of our favorite famous moms and dads of twins.
In Feb. 2017, Madonna adopted two 4-year-old girls from Malawi. The twins will join the pop icon's other children: Lourdes, 20, Rocco, 16, David, 11, and Mercy James, 10.
3. Jennifer Lopez and Marc Anthony
J. Lo and her ex-husband have two children together, 8-year-old twins Emme Maribel and Maximilian David, who grace the songstress's Instagram feed on a regular basis.
4. Celine Dion and René Angélil
Dion and her late husband welcomed their sons, Eddy and Nelson, back in 2010.
5. Julia Roberts and Danny Moder
Roberts and Moder tied the knot in a private ceremony back in 2002 and welcomed their boy-girl twins, Phinnaeus and Hazel, two years later. The now-12-year-olds have a younger brother, 9-year-old Henry.
6. Mariah Carey and Nick Cannon
Carey loves to Instagram her 5-year-old twins Moroccan and Monroe, and her friendly ex-husband is often included in the fun family time. Kudos to their co-parenting!
7. Julie Bowen and Scott Phillips
Bowen and her husband have been married for over 12 years, and have three children together: 9-year-old Oliver and 7-year-old twins John and Gustav.
8. Angelina Jolie and Brad Pitt
Angelina Jolie and Brad Pitt’s twins, Knox and Vivienne, were born on Jul. 12, 2008 and made their big debut on the cover of People soon after.
9. Neil Patrick Harris and David Burtka
Everyone's favorite couple welcomed Harper and Gideon via surrogate on Oct. 12, 2010. The twins make plenty of adorable appearances on their dads' Instagram feeds
10. Zoe Saldana and Marco Perego
The couple welcomed twin sons, Cy Aridio and Bowie Ezio on Nov. 27, 2014. What a way to kick off the holiday season in the Perego-Saldana house!
11. Rebecca Romijn and Jerry O'Connell
The stunning couple have two children together, 8-year-old girls Dolly Rebecca Rose and Charlie Tamara Tulip.