Heartbreaking loss for the NBA … former center Oliver Miller — famously known as “The Big O” — has passed away at the age of 54.

Former NBA player Eddie Johnson broke the news on Wednesday … expressing his sadness as he announced Miller’s passing.

“We have lost another @NBA Fraternity member!” Johnson said. “Going to miss you Big O. 🙏🏾🙏🏾🙏🏾🙏🏾. RIP.”

The Phoenix Suns selected the center with the 22nd overall pick in the 1992 NBA Draft … and he played there for two seasons.

He also had short stints with the Detroit Pistons, Toronto Raptors, Dallas Mavericks, Sacramento Kings and Minnesota Timberwolves in his nine-year NBA career.

Miller — who became the heaviest player in league history — averaged 7.4 points, 5.9 rebounds and 1.5 blocks per game.

Miller then took his talents to the Continental Basketball Association, where he earned All-Star honors and was named to the All-CBA Second Team.

He last played in 2010 for the Premier Basketball League’s Lawton-Fort Sill Cavalry.

Miller was a father and grandfather … and in 2020, he said it was a blessing to be involved with his family.

Heidi Klum‘s not telling any of her potential top models to get a room … ’cause she’s cool with them rolling around in a bed outside — for a photo shoot, that is!

The supermodel was rolling around Hollywood Thursday in a flatbed truck along with a full crew … and, they all looked on while a photographer snapped pics of two half-naked models rolling around together on the mattress.

Watch the clip … Heidi chats with the person next to her as the two subjects hit different poses in just their underwear — flexing every muscle they’ve got for the cameras.

“Snow White” has been drowning in controversy for months, and now with Disney more or less pulling the plug on the movie’s red carpet premiere, one of its key actors is beyond disappointed — you might even say … GRUMPY!

Martin Klebba, the voice of Grumpy — one of the 7 dwarfs in the new flick — tells TMZ … he’s seriously bummed and a bit pissed Disney axed what should’ve been a massive premiere for such a major film — all because of the ongoing controversies surrounding the film, and stars Gal Gadot and Rachel Zegler.

Martin tells us while Rachel, who plays Snow White, and Gal, as the Evil Queen, are entitled to their own political views and ideals, those personal opinions shouldn’t have overshadowed everyone else’s hard work — no matter how much bitching about them is on social media.

Variety reported yesterday Disney is significantly scaling back the film’s premiere due to multiple controversies, including reactions to the 2 female stars’ political stances.

As for the other controversy with Little People not playing the dwarfs IRL, Martin tells us that as far as he knows, motion-capture was always the plan and was not a knee-jerk reaction to Peter Dinklage blasting the project when it was announced.

That said … Martin tells us it’s unbelievably difficult for Little People to land Hollywood roles, let alone lead ones, so this could have been a bigger opportunity for others.

Still, he’s hoping people go see the movie and enjoy it for what it is — pure entertainment.