50 Cent will be headed to court to obtain full custody of his son Sire after his baby mama Daphne Joy was named in bombshell court documents. Sources close to the situation revealed that 50 decided he needs to make the move after seeing shocking allegations about his ex in Lil Rod’s $30 million sexual harassment lawsuit against Diddy. In Lil Rod’s suit, he claimed Combs paid Caresha Romeka Brownlee AKA “Yung Miami” from the rap group City Girls and Daphne Joy, who shares a child with 50 Cent [real name: Curtis James Jackson III] a monthly fee to be his sex workers. An insider told Us Weekly, “…