Complex sentence: Similarly, Mike Wass of Idolator opined that the artwork was a good look for Gomez which manifested maturity, and said that it was "yet another indication that the next phase of her career will come as something of a shock to long-term fans".
Split into simpler sentences: Similarly, Mike Wass of Idolator said the artwork was a good look for Gomez; it manifested maturity. He also said it was "yet another indication that the next phase of her career will come as something of a shock to long-term fans".