In 2003 she recorded her first album, entitled Metamorphosis, which was released on August 26 and went to number one on the US and Canadian charts in that year (see 2003 in music). The Metamorphosis album featured music that would appeal to teenagers as well as the tweens who had supported her to date. The Matrix, who had worked with singers such as Avril Lavigne on her Let Go album and Liz Phair, provided three songs on the album. One of these songs, So Yesterday, was released as the first single, reaching number 2 in Canada, top 40 in Australia and just outside the top 40 of the Billboard Hot 100 in the US.

Yoshitaka Amano's flowing artwork has spread widely in the west; as well as being responsible for anime features such as Angel's Egg and Vampire Hunter D, he has produced concept art for Squaresoft, including character designs for the Final Fantasy series of games. He has also collaborated with Neil Gaiman on Sandman: The Dream Hunters.

The PSP can also be connected to a PC via USB to allow the computer to copy files to the inserted Memory Stick, using the mass storage device driver.

In addition, Sony has announced plans for an iTunes Music Store-like download capability, using its Sony Connect service, to be added in the near future to the PSP. Users will be able to use the online component of the PSP to buy songs or albums and listen to them on the PSP, with a similar pricing strategy as iTunes. Downloadable content for games (tracks and vehicles for Wipeout Pure, for example) as well as playable game demos are also promised. As of yet, no announcement for a rollout date in any region has been announced.

Lopez also launched a new clothing line called Sweetface which hit stores in November 2003, as well as a new perfume called Still, which was introduced in October 2003.

A study published in 2004 in the American Journal of Clinical Nutrition (abstract available online at [1] tried to discover why the beneficial and detrimental effects of coffee are conflicting and found that consumption of coffee is associated with significant elevations in biochemical markers of inflammation. This is a detrimental effect of coffee on the cardiovascular system which may explain why coffee has so far only been shown to help the heart at levels of 4 or less cups a day (20oz or less).