Ryan Seacrest marked his 46th birthday with a very special throwback post.

On Instagram, the Live with Kelly and Ryan co-host posted childhood photos from previous birthday celebrations, and one of them features his lookalike sister, Meredith Seacrest Leach. He captioned the post, "Another trip around the sun tomorrow. Pro-tip: count your cake slices, not the years."

The first photo shows a much younger Seacrest smiling as he holds up his giant cookie cake, which has 10 candles. Then, in the second pic, Seacrest is seated at the table while his sister presents him with his classic birthday cookie. 

Not only do the siblings look the same, but they also appear to have color-coordinated outfits. Ryan sports a patriotic USA sweatshirt while his sister wears a red, white and green dress. In the comments, Meredith responded, "Can't wait to celebrate you tomorrow!!"

On the day of his birthday, the TV personality shared a sweet photo with his niece, Flora Marie, as well as a snap with his dog on his Instagram account. The latter post was met with a number of happy birthday wishes from fans and celebrities alike, including Mariah Carey, who wrote, "Happy birthday Ryan!! [heart emoji]."

Naturally, Seacrest's co-host, Kelly Ripa, also shared a special birthday tribute on Instagram, including a collection of their most memorable moments together. Ripa wrote, "Happy birthday to @ryanseacrest! May your fondue be as cheesy as these photos. I love you."

Cheers to another trip around the sun (and awesome throwbacks pics)! 

Stay up-to-date on all things Ryan Seacrest by subscribing here.

RELATED: Kelly Ripa Makes Ryan Seacrest Tear Up by Showering Him with Compliments

From Around The Web

More Videos You’ll Love

The News—But Only the Fun Stuff—
Delivered Right to Your Inbox.
Subscribe