Join Wonderwall.com as we take a look at all the stars celebrating major milestone birthdays in April 2021… starting with this actress… "Glee" alum Dianna Agron turns 35 on April 30.
Keep reading for more milestone birthdays this month…
RELATED: Stars turning 50 in 2021
On April 25, Talia Shire — who was nominated for Oscars for her portrayals of Adrian Balboa in the "Rocky" film franchise and Connie Corleone in the "The Godfather" movies — celebrated her 75th birthday. Talia is the sister of famed filmmaker Francis Ford Coppola, the aunt of actor Nicolas Cage and director Sofia Coppola and the mother of musician-actor Jason Schwartzman.
RELATED: Stars turning 60 in 2021
On April 21, beloved actor Tony Danza walked into his 70s.
RELATED: Stars turning 40 in 2021
Ace Frehley, a co-founding member of KISS, turned 70 on April 27.
It was a bittersweet birthday for Britain's Queen Elizabeth II, who turned 95 on April 21 — less than two weeks after the death of her husband of 73 years, Prince Philip.
Sweden's King Carl XVI Gustaf turns 75 on April 30.
"Aquaman" actress Amber Heard turned 35 on April 22.
Chloe Kim — the youngest woman to win Olympic gold for snowboarding — celebrated her 21st birthday on April 23.
Anya Taylor-Joy — who in 2021 won a Golden Globe and a Screen Actors Guild Award for her performance in the acclaimed miniseries "The Queen's Gambit" — turned 25 on April 16.
John Waters, the filmmaker behind "Female Trouble," "Hairspray" and "Cry-Baby," celebrated his 80th birthday on April 22.
Jane Leeves, who's best known for her work as Daphne Moon on "Frasier," celebrated her 60th birthday on April 18.
On April 20, "Blossom" and "Melissa & Joey" alum Joey Lawrence turned 45.
Melissa Joan Hart from "Sabrina the Teenage Witch" and "Clarissa Explains It All" turned 45 on April 18.
On April 19, "The Rocky Horror Picture Show" and "Annie" star Tim Curry — a three-time Tony Award and Olivier Award nominee — celebrated his 75th birthday.
On April 18, English actress Hayley Mills — the former child star who charmed us in movies like the original "The Parent Trap" and "Pollyanna" — turned 75.
Peter Billingsley — who's best known for portraying Ralphie Parker in 1983's "A Christmas Story" (but these days is a successful film producer) — celebrated his 50th birthday on April 16.
Actor Lukas Haas celebrated his 45th birthday on April 16.
Sadie Sink is now legally allowed to drink (in Canada!): The "Stranger Things" actress turned 19 on April 16.
Soul singer Al Green, an 11-time Grammy winner, turned 75 on April 13. To mark the occasion, Al posted a shirtless photo of himself in his youth on social media with the caption, "75 y'all."
Famed NFL coach-turned football sportscaster John Madden, the inspiration for the wildly popular "Madden NFL" video game series, turned 85 on April 10.
R&B and soul singer Peabo Bryson turns 70 on April 13.
On April 12, "The Untouchables" and "The Godfather" franchise actor Andy Garcia — an Oscar and Emmy nominee — celebrated his 65th birthday.
On April 6, "Fuller House" actress Candace Cameron Bure turned 45.
Golden Globe-winning actress Robin Wright, who most recently appeared in the films "Wonder Woman 1984" and "Land," turned 55 on April 8. But she's not the only member of her family with a big birthday in April 2021…
Dylan Penn, the model-actress daughter of Robin Wright and Sean Penn, celebrated her 30th birthday on April 13.
Laura Bell Bundy, who originated the role of Elle Woods in the Broadway musical "Legally Blonde," marks her 40th birthday on April 10.
Clear eyes, full hearts, can't lose! On April 8, "Friday Night Lights" hunk Taylor Kitsch turned 40.
On April 9, "Gossip Girl" alum Leighton Meester — who last appeared on the series "Single Parents" — celebrated her 35th birthday.
On April 10, AJ Michalka — one-half of musical sisters duo Aly & AJ — celebrates her 30th birthday.
"This Is Us" star Sterling K. Brown, who in 2021 also narrated the biographical miniseries "Lincoln: Divided We Stand," turned 45 on April 5.
"Sweet Magnolias" actress Jamie Lynn Spears turns the big 3-0 on April 4.
Emmy-winning writer-producer David E. Kelley — who created some of TV's most beloved shows including "Doogie Howser, M.D.," "Ally McBeal," "Big Little Lies," "Picket Fences," "Chicago Hope," "The Practice," "Boston Public" and "Boston Legal" — turned 65 on April 4. We're sure his wife, actress Michelle Pfeiffer, was by his side to celebrate!
"Law & Order: Organized Crime" star Christopher Meloni celebrated his 60th birthday on April 2.
From "The Amanda Show" to "She's the Man," Amanda Bynes has enjoyed a long (albeit tumultuous) career in the spotlight. The former Nickelodeon star celebrated her 35th birthday on April 3.
"Dark Angel" and "L.A.'s Finest' actress — and The Honest Company founder — Jessica Alba turned 40 on April 28.
On April 30, "The Big Bang Theory" actor Kunal Nayyar will celebrate his 40th birthday.
"The Facts of Life" and "The Division" actress Nancy McKeon turned 55 on April 4.
Lady A singer Hillary Scott turned 35 on April 1 — no joke!
"Coming 2 America" star Eddie Murphy turned the big 6-0 on April 3.
Classical singer Jackie Evancho, who found widespread fame after coming in second on season 5 of "America's Got Talent," turned 21 on April 9.
Former Victoria's Secret Angel Alessandra Ambrosio will celebrate her 40th birthday on April 11.
"Britain's Got Talent" star Susan Boyle turned the big 6-0 on April 1.
"Sex and the City" and "Ratched" star Cynthia Nixon turned 55 on April 9.
On April 28, "Blue Bloods" actress Bridget Moynahan walked into her 50s.
On May 18, "Downton Abbey" actor Allen Leech turned the big 4-0.
On April 28, Golden Globe-winning actress Ann-Margret joined the 80s club.
On April 14, Abigail Breslin from "Little Miss Sunshine," "Zombieland" and "My Sister's Keeper" turned 25.
On April 1, "Selma" actor David Oyelowo — who will next appear in the films "Solitary" and "Sweet Thunder" — celebrated his 45th birthday.
Funnyman George Lopez had 60 reasons to celebrate on April 23: Yup, he turned the big 6-0!
On April 19, Canadian actor Hayden Christensen turned the big 4-0.
"Doctor Who" alum David Tennant turned 50 on April 18!
On April 2, "One Tree Hill" actress Bethany Joy Lenz joins the 40s club.
"Future Man" actress Eliza Coupe, who is also known for her work on "Happy Endings," "Scrubs" and "Quantico," turns 40 on April 6.
"Trainspotting" actor Robert Carlyle joined the 60s club on April 14.
Rapper Quavo will walk into his 30s on April 2.