The “Friends” alum took to Instagram to share the childhood portrait and thanked her followers for sending her birthday wishes.

“We lost such a light when we lost Whitney ... wished Costner a happy birthday in the caption, to which he responded with a heart emoji in the comments. The throwback photos didn’t ...

“Happy birthday to Kevin Costner!” the caption read. “A behind the scenes photo from The Bodyguard with Kevin, Whitney and Ellin ... they're about moments and images that you'll never ...

The ‘Yellowstone’ star, who turned 70 on Jan. 18, starred in 1992’s ‘The Bodyguard’ alongside Houston, who died in 2012 ...

“We lost such a light when we lost Whitney ... wished Costner a happy birthday in the caption, to which he responded with a heart emoji in the comments. The throwback photos didn’t stop ...

Whitney's estate had captioned the post: “Happy birthday to Kevin Costner ... they're about moments and images that you'll never ever forget." Referring to her cover of 'I Will Always Love ...

“This photo reminds me of how lucky I am to be getting another birthday,” Costner captioned the Jan. 18 post. “We lost such a light when we lost Whitney.” The photo, originally posted on ...