London: Late Muhammad Ali's grandson Biaggio Ali Walsh has landed his first modelling contract with Wilhelmina Models. The 17-year-old, whose mother Rasheda Ali Walsh is the daughter of the boxing legend and his second wife Belinda Boyd, has publicly announced his partnership with Wilhelmina Models via social media on Tuesday, reports femalefirst.co.uk. The teen starlet tweeted: "So excited that I signed with Wilhelmina Models! Thank you and I'm excited to work with you guys! Wilhelmina." Biaggio will join singer songwriter Nick Jonas, "Cool for the Summer" hitmaker Demi Lovato and Victoria's Secret model Devon Windsor who are signed to the Dallas-based agency, which was founded in 1967.