Britney Spears’ loneliness ain’t killing her. The singer proudly declared herself “single as can be” in a Tuesday Instagram video of herself dancing before “dinner with friends and a blind date.” The pop star told her followers, “I don’t want to date anyone honestly. No thank you.” Spears, 44, added that she’s “pretty blessed” with friends who “make [her] laugh.” In the social media upload, the “Stronger” hitmaker was all smiles dancing in a backless white gown and black heels. The “Crossroads” star, who was last romantically linked to Paul Richard Soliz, has gushed multiple times about her single status since splitting from ex-husband Sam…
