Mom Jodi told Newsweek: "It wasn't until a good few people started slating our singing that I realized how bad it actually ...

The model mom, 42, posted a sweet tribute on Instagram Thursday in celebration of son Benjamin Rein's 13th birthday ... a new teenager in the house ! Happy birthday my sweet angel!

because I went to her concert for my 13th birthday," she said. The Challengers star went on to share a humbling memory from the show. "I was devastated that she didn't sing ‘Happy Birthday' to ...

"Without a doubt, Norbert has changed lives for the better. High-five, Norbie! Happy 13th birthday!" Norbert was also excited to mark the special occasion with his family and friends. "Wow!