Brazilian forward's second hat-trick in as many matches lifts Barcelona to a 3-1 victory, keeping the club unbeaten this season, according to Anadolu Agency.
Real Madrid coach Jose Mourinho has acknowledged his team's struggles with match control before Sunday's La Liga derby against Atletico Madrid.
A Real Madrid supporters' group has called for an apology from Kylian Mbappe after he and teammates wore a tribute shirt only partially displayed before a league match, according to Al Jazeera.
Defending champions maintain perfect start to La Liga season, remaining top of the table after six wins.
Kylian Mbappe, Vinicius Junior and Ibrahima Konate stood in front of a banner meant to convey Real Madrid's support for Ceuta ahead of a La Liga fixture, according to BBC Sport.
Real Madrid narrowly defeated Elche despite a late scare, with Kylian Mbappé scoring and providing an assist in Matchday 6 of La Liga, according to France 24.
The teams meet in a regular-season Spanish league fixture with both sides preparing their lineups.
The result lifts Real Betis to third place in La Liga while leaving Villarreal in the relegation zone, according to Anadolu Agency.
Kylian Mbappe scored twice as Real Madrid built a commanding first-half lead before holding off a spirited Rayo Vallecano response, according to Anadolu Agency.
Goals from Bellingham and Carreras eased pressure on Madrid manager Mourinho after the team's previous league defeat.