Complex sentence: He rose to fame in 2005 co-producing alongside of Polow da don producing hits for Ludacris, Ciara, Kelly Rowland, Fergie, Rich Boy, Kelis, Nelly, Pussycat Dolls and Mario.
Split into simpler sentences: He rose to fame in 2005 co-producing alongside of Polow da Don. Producing hits for Ludacris, Ciara, Kelly Rowland, Fergie, Rich Boy, Kelis, Nelly, Pussycat Dolls and Mario.