IUPAC name of 1,2,3,4-tetraphenylnaphthalene vs 4-bis(2-methylstyryl)benzene

1, 2, 3, 4-tetraphenylnaphthalene 4-bis(2-methylstyryl)benzene | IUPAC name

1, 2, 3, 4-tetraphenylnaphthalene | 1, 2, 3, 4-tetra(phenyl)naphthalene 4-bis(2-methylstyryl)benzene | 1-methyl-2-[2-[4-[2-(2-methylphenyl)ethenyl]phenyl]ethenyl]benzene