A new mommy, stepdad, step brother or sister can often shake a family unit. Luckily, these celebrity families keep the peace and make it work, fabulously.

In fact, some, like rap mogul Russel Simmons, welcome their new co-parents — as he did with actor Djimon Hounsou. “He’s a wonderful guy, a very sweet guy,” Simmons told PEOPLE.

From Will Smith and Jada to Heidi Klum and Seal, take a look at some our favorite blended families.