The boys of 98 Degrees are back and performed their greatest hits on The Today Show this morning. Today we also spotted The Real Housewives of Beverly Hills' Kim Richards out shopping in West Hollywood and Mel B. on the set of Extra with Mario Lopez. Check out today's OK! Quick Pics below to see what else your favorite celebrities were up to!

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Watch: Melissa Gorga and Kathy Wakile Talk "Ganging Up on Teresa Giudice" and What to Expect From the New Season of 'RHONJ'

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Are you going to see 98 Degrees on their summer tour? Sound off in the comments below and let us know your answer on Twitter @OKMagazine!