Class of 2018: A celebrity baby roll call

On Monday, April 23, the Duke and Duchess of Cambridge took to the stairs of the Lindo Wing at St Mary's Hospital in Paddington, London to officially introduce the world to their third child, Prince Louis. The couple's short-lived appearance came just seven hours after the birth of their precious new bundle of joy. A little brother to four-year-old Prince George and three-year-old Princess Charlotte.

Khloé Kardashian and Tristan Thompson welcomed a baby girl, True, into the world in April. The happy news came just days after the Daily Mail published photos and videos of basketball player Thompson getting rather intimate with a fan. According to multiple outlets, Khloe began experiencing early contractions directly as a result from watching the shocking footage. The couple have remained together.

In a truly one-of-a-kind way, Kylie Jenner confirmed her pregnancy and announced the delivery... at the same time! Shrouded in secrecy, Stormi's arrival caused quite a frenzy. In the Instagram post, 20-year-old Kylie apologises for keeping fans in the dark: "I understand you're used to me bringing you along on all my journeys. My pregnancy was one I chose not to do in front of the world."

Dwayne 'The Rock' Johnson and partner Lauren Hashian welcomed a sweet baby girl, Tiana Gia, into the world in April. "Tiana Gia Johnson came into this world like a force of nature and mama @laurenhashianofficial labored and delivered like a true rockstar," he wrote on Instagram, celebrating his long-term partner Lauren Hashian's birth of his little girl. "I was raised and surrounded by strong, loving women all my life, but after participating in baby Tia's delivery, it's hard to express the new level of love, respect and admiration I have for @laurenhashianofficial and all mamas and women out there."

Musician Macklemore (Ben Haggerty) and wife Tricia Davis welcomed their second daughter, Colette Koala, in May. This blue-eyed cutie is a little sister to two-and-a-half-year-old Sloane Ava.

John Stamos and wife Caitlin McHugh welcomed their first child together, a baby boy named Billy (after John's dad) in April. "From now on, the best part of me will always be my wife and my son. Welcome Billy Stamos (named after my father)," the 54-year-old captioned a photo, adding the hashtags: "#NotJustanUncleAnymore #Overjoyed"

Desperate Housewives alum Eva Longoria gave birth to her first child, Santiago Enrique Baston in June. Eva and her husband, Jose, stated: "We are so grateful for this beautiful blessing."

Perth-based blogger and her husband, Denim Cooke, welcomed sweet baby Raja in May. The name Raja is a Sanskrit baby name. In Sanskrit the meaning of the name Raja is 'king'. Denim has two sons Zeyke and Sunny from a previous relationship, while Constance has Rumi, Snow, Arlo Love and daughter Billie-Violet from her previous six-year marriage to Bill Maher.

Hilaria and Alec Baldwin welcomed their fourth child together, a baby boy named Romeo in May. The couple also share sons Rafael Thomas, two, and Leonardo Ángel Charles, one.

Little brother to big sister two-year-old Luna, Miles Legend made his way into the world in May, and his hilarious parents, Chrissy Teigen and John Legend have been making us smile with his pictures ever since. He's a mini-John, right?

Australian beauty Miranda Kerr and husband Evan Spiegel, welcomed a baby boy, Hart in May. It's the first child for the couple, while Kerr has a seven-year-old son, Flynn, with ex-husband Orlando Bloom. Hart is yet to be spotted, with his model mum keeping his little face under wraps for now.

Breaking Bad star Aaron Paul and his wife, Lauren Parsekian, welcomed their first child, baby Story Annabelle, in February.

Maroon Five singer, Adam Levine and his wife, model Behati Prinsloo welcomed baby number two, Gio Grace Levine in February. Big sister is one-year-old Dusty Rose.

Former Home and Away actress, Esther Anderson gave birth to her first child, a baby boy in August. The 39-year-old, who is married to advertising executive Howard Moggs, took to Instagram to share her joyous news. The actress, who became a household name after playing Charlie Buckton on Home and Away, shared what she and her hubby named their bundle of joy. "Our darling boy Forest Jack Moggs is here and arrived weighing 8.5lbs." Adding, "We couldn't be more in love with this beautiful little soul."