By Jailene Cuevas Cameron Diaz and Benji Madden welcomed their second baby. The actress and Good Charlotte’s lead guitarist announced that they had welcomed a “really cute” baby boy in an Instagram posy on Friday. In a joint post, the two wrote: “We are blessed and excited to announce the birth of our Son, Cardinal Madden. He is awesome and We are all so happy he is here!” They continued: “For the kids safety and privacy we won’t be posting any pictures- but he’s a really cute. We are feeling so blessed and grateful. Sending much love from our fam to yours. Best wishes and Good Afternoon!!” Cl…